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    Dashboard / CVE / CVE-2021-0159

    CVE-2021-0159

    Improper input validation in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

    Published:May 12, 2022
    Last Modified:May 5, 2025
    EPS:May 12, 2022
    EPSS Score:0.00129
    CVSS Score:7.8

    Affected Products

    Vendor
    Intel
    Product
    Xeon Bronze 3204
    Vendor
    Intel
    Product
    Xeon Bronze 3204 Firmware
    Vendor
    Intel
    Product
    Xeon Bronze 3206r
    Vendor
    Intel
    Product
    Xeon Bronze 3206r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5215
    Vendor
    Intel
    Product
    Xeon Gold 5215 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5215l
    Vendor
    Intel
    Product
    Xeon Gold 5215l Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5217
    Vendor
    Intel
    Product
    Xeon Gold 5217 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5218
    Vendor
    Intel
    Product
    Xeon Gold 5218 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5218b
    Vendor
    Intel
    Product
    Xeon Gold 5218b Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5218n
    Vendor
    Intel
    Product
    Xeon Gold 5218n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5218r
    Vendor
    Intel
    Product
    Xeon Gold 5218r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5218t
    Vendor
    Intel
    Product
    Xeon Gold 5218t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5220
    Vendor
    Intel
    Product
    Xeon Gold 5220 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5220r
    Vendor
    Intel
    Product
    Xeon Gold 5220r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5220s
    Vendor
    Intel
    Product
    Xeon Gold 5220s Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5220t
    Vendor
    Intel
    Product
    Xeon Gold 5220t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5222
    Vendor
    Intel
    Product
    Xeon Gold 5222 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5315y
    Vendor
    Intel
    Product
    Xeon Gold 5315y Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5317
    Vendor
    Intel
    Product
    Xeon Gold 5317 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5318h
    Vendor
    Intel
    Product
    Xeon Gold 5318h Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5318n
    Vendor
    Intel
    Product
    Xeon Gold 5318n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5318s
    Vendor
    Intel
    Product
    Xeon Gold 5318s Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5318y
    Vendor
    Intel
    Product
    Xeon Gold 5318y Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5320
    Vendor
    Intel
    Product
    Xeon Gold 5320 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5320h
    Vendor
    Intel
    Product
    Xeon Gold 5320h Firmware
    Vendor
    Intel
    Product
    Xeon Gold 5320t
    Vendor
    Intel
    Product
    Xeon Gold 5320t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6208u
    Vendor
    Intel
    Product
    Xeon Gold 6208u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6209u
    Vendor
    Intel
    Product
    Xeon Gold 6209u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6210u
    Vendor
    Intel
    Product
    Xeon Gold 6210u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6212u
    Vendor
    Intel
    Product
    Xeon Gold 6212u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6222v
    Vendor
    Intel
    Product
    Xeon Gold 6222v Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6226
    Vendor
    Intel
    Product
    Xeon Gold 6226 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6226r
    Vendor
    Intel
    Product
    Xeon Gold 6226r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6230
    Vendor
    Intel
    Product
    Xeon Gold 6230 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6230n
    Vendor
    Intel
    Product
    Xeon Gold 6230n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6230r
    Vendor
    Intel
    Product
    Xeon Gold 6230r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6230t
    Vendor
    Intel
    Product
    Xeon Gold 6230t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6234
    Vendor
    Intel
    Product
    Xeon Gold 6234 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6238
    Vendor
    Intel
    Product
    Xeon Gold 6238 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6238l
    Vendor
    Intel
    Product
    Xeon Gold 6238l Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6238r
    Vendor
    Intel
    Product
    Xeon Gold 6238r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6238t
    Vendor
    Intel
    Product
    Xeon Gold 6238t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6240
    Vendor
    Intel
    Product
    Xeon Gold 6240 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6240l
    Vendor
    Intel
    Product
    Xeon Gold 6240l Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6240r
    Vendor
    Intel
    Product
    Xeon Gold 6240r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6240y
    Vendor
    Intel
    Product
    Xeon Gold 6240y Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6242
    Vendor
    Intel
    Product
    Xeon Gold 6242 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6242r
    Vendor
    Intel
    Product
    Xeon Gold 6242r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6244
    Vendor
    Intel
    Product
    Xeon Gold 6244 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6246
    Vendor
    Intel
    Product
    Xeon Gold 6246 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6246r
    Vendor
    Intel
    Product
    Xeon Gold 6246r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6248
    Vendor
    Intel
    Product
    Xeon Gold 6248 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6248r
    Vendor
    Intel
    Product
    Xeon Gold 6248r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6250
    Vendor
    Intel
    Product
    Xeon Gold 6250 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6250l
    Vendor
    Intel
    Product
    Xeon Gold 6250l Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6252
    Vendor
    Intel
    Product
    Xeon Gold 6252 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6252n
    Vendor
    Intel
    Product
    Xeon Gold 6252n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6254
    Vendor
    Intel
    Product
    Xeon Gold 6254 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6256
    Vendor
    Intel
    Product
    Xeon Gold 6256 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6258r
    Vendor
    Intel
    Product
    Xeon Gold 6258r Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6262v
    Vendor
    Intel
    Product
    Xeon Gold 6262v Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6312u
    Vendor
    Intel
    Product
    Xeon Gold 6312u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6314u
    Vendor
    Intel
    Product
    Xeon Gold 6314u Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6326
    Vendor
    Intel
    Product
    Xeon Gold 6326 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6328h
    Vendor
    Intel
    Product
    Xeon Gold 6328h Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6328hl
    Vendor
    Intel
    Product
    Xeon Gold 6328hl Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6330
    Vendor
    Intel
    Product
    Xeon Gold 6330 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6330h
    Vendor
    Intel
    Product
    Xeon Gold 6330h Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6330n
    Vendor
    Intel
    Product
    Xeon Gold 6330n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6334
    Vendor
    Intel
    Product
    Xeon Gold 6334 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6336y
    Vendor
    Intel
    Product
    Xeon Gold 6336y Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6338
    Vendor
    Intel
    Product
    Xeon Gold 6338 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6338n
    Vendor
    Intel
    Product
    Xeon Gold 6338n Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6338t
    Vendor
    Intel
    Product
    Xeon Gold 6338t Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6342
    Vendor
    Intel
    Product
    Xeon Gold 6342 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6346
    Vendor
    Intel
    Product
    Xeon Gold 6346 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6348
    Vendor
    Intel
    Product
    Xeon Gold 6348 Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6348h
    Vendor
    Intel
    Product
    Xeon Gold 6348h Firmware
    Vendor
    Intel
    Product
    Xeon Gold 6354
    Vendor
    Intel
    Product
    Xeon Gold 6354 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8253
    Vendor
    Intel
    Product
    Xeon Platinum 8253 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8256
    Vendor
    Intel
    Product
    Xeon Platinum 8256 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8260
    Vendor
    Intel
    Product
    Xeon Platinum 8260 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8260l
    Vendor
    Intel
    Product
    Xeon Platinum 8260l Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8260y
    Vendor
    Intel
    Product
    Xeon Platinum 8260y Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8268
    Vendor
    Intel
    Product
    Xeon Platinum 8268 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8270
    Vendor
    Intel
    Product
    Xeon Platinum 8270 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8276
    Vendor
    Intel
    Product
    Xeon Platinum 8276 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8276l
    Vendor
    Intel
    Product
    Xeon Platinum 8276l Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8280
    Vendor
    Intel
    Product
    Xeon Platinum 8280 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8280l
    Vendor
    Intel
    Product
    Xeon Platinum 8280l Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8351n
    Vendor
    Intel
    Product
    Xeon Platinum 8351n Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8352m
    Vendor
    Intel
    Product
    Xeon Platinum 8352m Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8352s
    Vendor
    Intel
    Product
    Xeon Platinum 8352s Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8352v
    Vendor
    Intel
    Product
    Xeon Platinum 8352v Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8352y
    Vendor
    Intel
    Product
    Xeon Platinum 8352y Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8353h
    Vendor
    Intel
    Product
    Xeon Platinum 8353h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8354h
    Vendor
    Intel
    Product
    Xeon Platinum 8354h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8356h
    Vendor
    Intel
    Product
    Xeon Platinum 8356h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8358
    Vendor
    Intel
    Product
    Xeon Platinum 8358 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8358p
    Vendor
    Intel
    Product
    Xeon Platinum 8358p Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8360h
    Vendor
    Intel
    Product
    Xeon Platinum 8360h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8360hl
    Vendor
    Intel
    Product
    Xeon Platinum 8360hl Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8360y
    Vendor
    Intel
    Product
    Xeon Platinum 8360y Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8362
    Vendor
    Intel
    Product
    Xeon Platinum 8362 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8368
    Vendor
    Intel
    Product
    Xeon Platinum 8368 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8368q
    Vendor
    Intel
    Product
    Xeon Platinum 8368q Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8376h
    Vendor
    Intel
    Product
    Xeon Platinum 8376h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8376hl
    Vendor
    Intel
    Product
    Xeon Platinum 8376hl Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8380
    Vendor
    Intel
    Product
    Xeon Platinum 8380 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8380h
    Vendor
    Intel
    Product
    Xeon Platinum 8380h Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 8380hl
    Vendor
    Intel
    Product
    Xeon Platinum 8380hl Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 9221
    Vendor
    Intel
    Product
    Xeon Platinum 9221 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 9222
    Vendor
    Intel
    Product
    Xeon Platinum 9222 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 9242
    Vendor
    Intel
    Product
    Xeon Platinum 9242 Firmware
    Vendor
    Intel
    Product
    Xeon Platinum 9282
    Vendor
    Intel
    Product
    Xeon Platinum 9282 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4208
    Vendor
    Intel
    Product
    Xeon Silver 4208 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4209t
    Vendor
    Intel
    Product
    Xeon Silver 4209t Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4210
    Vendor
    Intel
    Product
    Xeon Silver 4210 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4210r
    Vendor
    Intel
    Product
    Xeon Silver 4210r Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4210t
    Vendor
    Intel
    Product
    Xeon Silver 4210t Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4214
    Vendor
    Intel
    Product
    Xeon Silver 4214 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4214r
    Vendor
    Intel
    Product
    Xeon Silver 4214r Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4214y
    Vendor
    Intel
    Product
    Xeon Silver 4214y Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4215
    Vendor
    Intel
    Product
    Xeon Silver 4215 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4215r
    Vendor
    Intel
    Product
    Xeon Silver 4215r Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4216
    Vendor
    Intel
    Product
    Xeon Silver 4216 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4309y
    Vendor
    Intel
    Product
    Xeon Silver 4309y Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4310
    Vendor
    Intel
    Product
    Xeon Silver 4310 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4310t
    Vendor
    Intel
    Product
    Xeon Silver 4310t Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4314
    Vendor
    Intel
    Product
    Xeon Silver 4314 Firmware
    Vendor
    Intel
    Product
    Xeon Silver 4316
    Vendor
    Intel
    Product
    Xeon Silver 4316 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-20 Improper Input Validation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2022-43505 (CVSS 4.1) — Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged …
    CVE-2022-29871 (CVSS 6.7) — Improper access control in the Intel(R) CSME software installer before version 2239.3.7.0 may allow an authent…
    CVE-2022-40982 (CVSS 6.5) — Information exposure through microarchitectural state after transient execution in certain vector execution un…
    CVE-2022-29493 (CVSS 4.5) — Uncaught exception in webserver for the Integrated BMC in some Intel(R) platforms before versions 2.86, 2.09 a…
    CVE-2022-32231 (CVSS 7.5) — Improper initialization in the BIOS firmware for some Intel(R) Processors may allow a privileged user to poten…
    CVE-2022-26343 (CVSS 8.2) — Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to poten…
    CVE-2022-26373 (CVSS 5.5) — Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an …
    CVE-2021-0189 (CVSS 7.8) — Use of out-of-range pointer offset in the BIOS firmware for some Intel(R) Processors may allow a privileged us…
    CVE-2021-33124 (CVSS 6.7) — Out-of-bounds write in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged …
    CVE-2021-33123 (CVSS 7.8) — Improper access control in the BIOS authenticated code module for some Intel(R) Processors may allow a privile…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High