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    Dashboard / CVE / CVE-2021-46754

    CVE-2021-46754

    Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the SMU (System Management Unit) resulting in a potential loss of confidentiality and integrity.

    Published:May 9, 2023
    Last Modified:Nov 21, 2024
    EPS:May 9, 2023
    EPSS Score:0.00171
    CVSS Score:9.1

    Affected Products

    Vendor
    Amd
    Product
    Athlon Gold 3150g
    Vendor
    Amd
    Product
    Athlon Gold 3150g Firmware
    Vendor
    Amd
    Product
    Athlon Gold 3150ge
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    Amd
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    Athlon Gold 3150ge Firmware
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    Amd
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    Athlon Silver 3050ge
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    Amd
    Product
    Athlon Silver 3050ge Firmware
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    Product
    Ryzen 1200 \(af\)
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    Ryzen 1200 \(af\) Firmware
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    Ryzen 1600 \(af\)
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    Ryzen 1600 \(af\) Firmware
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    Ryzen 2200g
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    Ryzen 2200g Firmware
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    Ryzen 2200ge
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    Ryzen 2200ge Firmware
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    Ryzen 2300x
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    Ryzen 2300x Firmware
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    Ryzen 2400g
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    Ryzen 2400g Firmware
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    Amd
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    Ryzen 2400ge
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    Ryzen 2400ge Firmware
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    Ryzen 2500x
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    Ryzen 2500x Firmware
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    Ryzen 2600
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    Ryzen 2600 Firmware
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    Ryzen 2600e
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    Ryzen 2600e Firmware
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    Ryzen 2600x
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    Ryzen 2600x Firmware
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    Ryzen 2700
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    Ryzen 2700 Firmware
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    Ryzen 2700e
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    Ryzen 2700e Firmware
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    Ryzen 2700x
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    Ryzen 2700x Firmware
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    Ryzen 2920x
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    Ryzen 2920x Firmware
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    Ryzen 2950x
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    Ryzen 2950x Firmware
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    Ryzen 2970wx
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    Ryzen 2970wx Firmware
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    Amd
    Product
    Ryzen 2990wx
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    Ryzen 2990wx Firmware
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    Ryzen 3100
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    Amd
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    Ryzen 3100 Firmware
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    Ryzen 3300x
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    Ryzen 3300x Firmware
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    Ryzen 3500
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    Amd
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    Ryzen 3500 Firmware
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    Ryzen 3500x
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    Ryzen 3500x Firmware
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    Ryzen 3600
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    Ryzen 3600 Firmware
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    Ryzen 3600x
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    Ryzen 3600x Firmware
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    Ryzen 3600xt
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    Ryzen 3600xt Firmware
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    Ryzen 3800x
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    Ryzen 3800x Firmware
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    Ryzen 3800xt
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    Ryzen 3800xt Firmware
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    Ryzen 3900
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    Ryzen 3900 Firmware
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    Ryzen 3900x
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    Ryzen 3900x Firmware
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    Ryzen 3900xt
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    Ryzen 3900xt Firmware
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    Ryzen 3950x
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    Ryzen 3950x Firmware
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    Product
    Ryzen 5300g
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    Ryzen 5300g Firmware
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    Amd
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    Ryzen 5300ge
    Vendor
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    Ryzen 5300ge Firmware
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    Ryzen 5500
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    Ryzen 5500 Firmware
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    Product
    Ryzen 5600
    Vendor
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    Ryzen 5600 Firmware
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    Product
    Ryzen 5600g
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    Amd
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    Ryzen 5600g Firmware
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    Amd
    Product
    Ryzen 5600ge
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    Amd
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    Ryzen 5600ge Firmware
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    Ryzen 5600x
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    Ryzen 5600x Firmware
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    Ryzen 5700g
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    Amd
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    Ryzen 5700g Firmware
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    Amd
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    Ryzen 5700ge
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    Amd
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    Ryzen 5700ge Firmware
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    Ryzen 5700x
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    Ryzen 5700x Firmware
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    Ryzen 5800
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    Amd
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    Ryzen 5800 Firmware
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    Amd
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    Ryzen 5800x
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    Amd
    Product
    Ryzen 5800x3d
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    Ryzen 5800x3d Firmware
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    Ryzen 5800x Firmware
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    Ryzen 5900
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    Amd
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    Ryzen 5900 Firmware
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    Amd
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    Ryzen 5900x
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    Ryzen 5900x Firmware
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    Amd
    Product
    Ryzen 5945wx
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    Ryzen 5945wx Firmware
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    Amd
    Product
    Ryzen 5950x
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    Amd
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    Ryzen 5950x Firmware
    Vendor
    Amd
    Product
    Ryzen 5955wx
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    Amd
    Product
    Ryzen 5955wx Firmware
    Vendor
    Amd
    Product
    Ryzen 5965wx
    Vendor
    Amd
    Product
    Ryzen 5965wx Firmware
    Vendor
    Amd
    Product
    Ryzen 5975wx
    Vendor
    Amd
    Product
    Ryzen 5975wx Firmware
    Vendor
    Amd
    Product
    Ryzen 5995wx
    Vendor
    Amd
    Product
    Ryzen 5995wx Firmware
    Vendor
    Amd
    Product
    Ryzen Pro 2100ge
    Vendor
    Amd
    Product
    Ryzen Pro 2100ge 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

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    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