CVE-2021-26311
7.2 · HIGHOverview
CVE-2021-26311 is a high-severity vulnerability affecting amd epyc_7232p. It was published on May 13, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.
Remediation
Check the references section for vendor advisories and patches from amd. Update epyc_7232p 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 |
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Frequently Asked Questions
What is CVE-2021-26311?
CVE-2021-26311 is a high-severity vulnerability affecting amd epyc_7232p. It was published on May 13, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-26311?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-26311?
Check the references section for vendor advisories and patches from amd. Update epyc_7232p 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-2021-26311?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26311 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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