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    CVE-2022-34393

    Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

    Published:Jan 18, 2023
    Last Modified:Apr 3, 2025
    EPS:Jan 18, 2023
    EPSS Score:0.00024
    CVSS Score:7.5

    Affected Products

    Vendor
    Dell
    Product
    G5 Se 5505
    Vendor
    Dell
    Product
    G5 Se 5505 Firmware
    Vendor
    Dell
    Product
    Inspiron 27 7775
    Vendor
    Dell
    Product
    Inspiron 27 7775 Firmware
    Vendor
    Dell
    Product
    Inspiron 3180
    Vendor
    Dell
    Product
    Inspiron 3180 Firmware
    Vendor
    Dell
    Product
    Inspiron 3185
    Vendor
    Dell
    Product
    Inspiron 3185 Firmware
    Vendor
    Dell
    Product
    Inspiron 3195 2-in-1
    Vendor
    Dell
    Product
    Inspiron 3195 2-in-1 Firmware
    Vendor
    Dell
    Product
    Inspiron 3275
    Vendor
    Dell
    Product
    Inspiron 3275 Firmware
    Vendor
    Dell
    Product
    Inspiron 3475
    Vendor
    Dell
    Product
    Inspiron 3475 Firmware
    Vendor
    Dell
    Product
    Inspiron 3505
    Vendor
    Dell
    Product
    Inspiron 3505 Firmware
    Vendor
    Dell
    Product
    Inspiron 3515
    Vendor
    Dell
    Product
    Inspiron 3515 Firmware
    Vendor
    Dell
    Product
    Inspiron 3585
    Vendor
    Dell
    Product
    Inspiron 3585 Firmware
    Vendor
    Dell
    Product
    Inspiron 3595
    Vendor
    Dell
    Product
    Inspiron 3595 Firmware
    Vendor
    Dell
    Product
    Inspiron 3785
    Vendor
    Dell
    Product
    Inspiron 3785 Firmware
    Vendor
    Dell
    Product
    Inspiron 5405
    Vendor
    Dell
    Product
    Inspiron 5405 Firmware
    Vendor
    Dell
    Product
    Inspiron 5415
    Vendor
    Dell
    Product
    Inspiron 5415 Firmware
    Vendor
    Dell
    Product
    Inspiron 5485
    Vendor
    Dell
    Product
    Inspiron 5485 2-in-1
    Vendor
    Dell
    Product
    Inspiron 5485 2-in-1 Firmware
    Vendor
    Dell
    Product
    Inspiron 5485 Firmware
    Vendor
    Dell
    Product
    Inspiron 5505
    Vendor
    Dell
    Product
    Inspiron 5505 Firmware
    Vendor
    Dell
    Product
    Inspiron 5515
    Vendor
    Dell
    Product
    Inspiron 5515 Firmware
    Vendor
    Dell
    Product
    Inspiron 5585
    Vendor
    Dell
    Product
    Inspiron 5585 Firmware
    Vendor
    Dell
    Product
    Inspiron 7375
    Vendor
    Dell
    Product
    Inspiron 7375 Firmware
    Vendor
    Dell
    Product
    Inspiron 7405 2-in-1
    Vendor
    Dell
    Product
    Inspiron 7405 2-in-1 Firmware
    Vendor
    Dell
    Product
    Inspiron 7415
    Vendor
    Dell
    Product
    Inspiron 7415 Firmware
    Vendor
    Dell
    Product
    Vostro 3405
    Vendor
    Dell
    Product
    Vostro 3405 Firmware
    Vendor
    Dell
    Product
    Vostro 3515
    Vendor
    Dell
    Product
    Vostro 3515 Firmware
    Vendor
    Dell
    Product
    Vostro 5415
    Vendor
    Dell
    Product
    Vostro 5415 Firmware
    Vendor
    Dell
    Product
    Vostro 5515
    Vendor
    Dell
    Product
    Vostro 5515 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-2022-34403 (CVSS 7.5) — Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentia…
    CVE-2022-34400 (CVSS 7.1) — Dell BIOS contains a heap buffer overflow vulnerability. A local attacker with admin privileges could potenti…
    CVE-2022-34460 (CVSS 7.5) — Prior Dell BIOS versions contain an improper input validation vulnerability. A local authenticated malicious …
    CVE-2022-26864 (CVSS 6.3) — Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user cou…
    CVE-2022-26863 (CVSS 6.3) — Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user cou…
    CVE-2022-26862 (CVSS 6.3) — Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user cou…

    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