CVE-2021-26349
CVE-2021-26349 is a medium-severity vulnerability in Amd Epyc 7763 Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Amd Epyc 7763 Firmware
- Published:
- Last modified:
Description
Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent (MA).
Frequently asked questions
- What is CVE-2021-26349?
- Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent (MA).
- How severe is CVE-2021-26349?
- CVE-2021-26349 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-26349 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-26349?
- CVE-2021-26349 primarily affects Amd Epyc 7763 Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-26349?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-26349 published?
- CVE-2021-26349 was published on 2022-05-11 and last updated on 2026-06-17.
References
Affected products (23)
- cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*
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