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    Dashboard / CVE / CVE-2024-21871

    CVE-2024-21871

    Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

    Published:Sep 16, 2024
    Last Modified:Apr 15, 2026
    EPS:Sep 16, 2024
    EPSS Score:0.00068
    CVSS Score:7.5

    Affected Products

    Vendor
    Intel
    Product
    Celeron G3900 Firmware
    Vendor
    Intel
    Product
    Celeron G3900te Firmware
    Vendor
    Intel
    Product
    Core I3-6100 Firmware
    Vendor
    Intel
    Product
    Core I3-6100te Firmware
    Vendor
    Intel
    Product
    Core I5-6500 Firmware
    Vendor
    Intel
    Product
    Core I5-6500te Firmware
    Vendor
    Intel
    Product
    Core I7-6700 Firmware
    Vendor
    Intel
    Product
    Core I7-6700te Firmware
    Vendor
    Intel
    Product
    Core I9-10900x X-series Firmware
    Vendor
    Intel
    Product
    Core I9-10920x X-series Firmware
    Vendor
    Intel
    Product
    Core I9-10940x X-series Firmware
    Vendor
    Intel
    Product
    Pentium G4400 Firmware
    Vendor
    Intel
    Product
    Pentium G4400te Firmware
    Vendor
    Intel
    Product
    Xeon D-1581 Firmware
    Vendor
    Intel
    Product
    Xeon D-1587 Firmware
    Vendor
    Intel
    Product
    Xeon D-1602 Firmware
    Vendor
    Intel
    Product
    Xeon D-1612 Firmware
    Vendor
    Intel
    Product
    Xeon D-1622 Firmware
    Vendor
    Intel
    Product
    Xeon D-1627 Firmware
    Vendor
    Intel
    Product
    Xeon D-1632 Firmware
    Vendor
    Intel
    Product
    Xeon D-1637 Firmware
    Vendor
    Intel
    Product
    Xeon D-1702 Firmware
    Vendor
    Intel
    Product
    Xeon D-1714 Firmware
    Vendor
    Intel
    Product
    Xeon D-1726 Firmware
    Vendor
    Intel
    Product
    Xeon D-1736 Firmware
    Vendor
    Intel
    Product
    Xeon D-1739 Firmware
    Vendor
    Intel
    Product
    Xeon D-2191 Firmware
    Vendor
    Intel
    Product
    Xeon D-2738 Firmware
    Vendor
    Intel
    Product
    Xeon D-2779 Firmware
    Vendor
    Intel
    Product
    Xeon D-2799 Firmware
    Vendor
    Intel
    Product
    Xeon E-2124 Firmware
    Vendor
    Intel
    Product
    Xeon E-2134 Firmware
    Vendor
    Intel
    Product
    Xeon E-2136 Firmware
    Vendor
    Intel
    Product
    Xeon E-2224 Firmware
    Vendor
    Intel
    Product
    Xeon E-2234 Firmware
    Vendor
    Intel
    Product
    Xeon E-2236 Firmware
    Vendor
    Intel
    Product
    Xeon E-2314 Firmware
    Vendor
    Intel
    Product
    Xeon E-2334 Firmware
    Vendor
    Intel
    Product
    Xeon E-2336 Firmware
    Vendor
    Intel
    Product
    Xeon E-2378 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1220 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1225 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1230 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1240 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1245 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1268l V5 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1270 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1275 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1280 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E3-1285 V6 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1603 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1607 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1620 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1620 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1630 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1630 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1650 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1650 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1660 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1660 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1680 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-1680 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2603 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2603 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2609 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2609 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2620 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2620 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2623 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2623 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2630 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2630 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2637 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2637 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2640 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2640 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2643 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2643 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2650 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2650 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2658 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2658 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2660 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2660 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2667 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2667 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2670 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2679 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2680 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2680 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2683 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2683 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2689 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2690 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2690 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2695 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2695 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2697 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2697 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2698 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2698 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2699 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-2699 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4610 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4610 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4620 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4620 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4627 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4627 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4640 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4640 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4648 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4650 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4650 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4655 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4660 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4660 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4667 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4667 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4669 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E5-4669 V4 Firmware
    Vendor
    Intel
    Product
    Xeon E7-4809 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-4820 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-4830 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-4850 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8860 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8867 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8870 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8880 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8890 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8891 V3 Firmware
    Vendor
    Intel
    Product
    Xeon E7-8893 V3 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1513n Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1518 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1520 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1521 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1523n Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1527 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1528 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1529 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1531 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1533n Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1537 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1539 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1540 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1541 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1548 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1553n Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1557 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1559 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1567 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1571 Firmware
    Vendor
    Intel
    Product
    Xeon Processor D-1577 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-2023-22329 (CVSS 2.6) — Improper input validation in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to…
    CVE-2023-25756 (CVSS 4.6) — Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potent…
    CVE-2022-43505 (CVSS 4.1) — Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged …
    CVE-2022-30704 (CVSS 7.2) — Improper initialization in the Intel(R) TXT SINIT ACM for some Intel(R) Processors may allow a privileged user…
    CVE-2022-21198 (CVSS 7.9) — Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privile…
    CVE-2022-21180 (CVSS 5.5) — Improper input validation for some Intel(R) Processors may allow an authenticated user to potentially cause a …
    CVE-2020-8695 (CVSS 5.5) — Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to poten…
    CVE-2020-8694 (CVSS 5.5) — Insufficient access control in the Linux kernel driver for some Intel(R) Processors may allow an authenticated…
    CVE-2020-0549 (CVSS 5.5) — Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to po…
    CVE-2020-0548 (CVSS 5.5) — Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information d…

    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