CVE-2021-46795
4.7 · MEDIUMOverview
CVE-2021-46795 is a medium-severity vulnerability affecting amd comboam4v2_pi_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
Remediation
Check the references section for vendor advisories and patches from amd. Update comboam4v2_pi_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| amd | comboam4v2_pi_firmware | >= 0, < 1.2.0.5 | Affected |
| amd | renoirpi-fp6_firmware | >= 0, < 1.0.0.7 | Affected |
| amd | cezannepi-fp6_firmware | >= 0, < 1.0.0.6 | Affected |
Frequently Asked Questions
What is CVE-2021-46795?
CVE-2021-46795 is a medium-severity vulnerability affecting amd comboam4v2_pi_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2021-46795?
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-46795?
Check the references section for vendor advisories and patches from amd. Update comboam4v2_pi_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-46795?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-46795 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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