What is CVE-2021-26313?

CVE-2021-26313 is a medium-severity vulnerability in Amd All Supported Processors, classified under CWE-208. CVSS score: 5.5/10. Published 2021-06-09.

How severe is CVE-2021-26313?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-26313 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Amd All Supported Processors

CVE-2021-26313

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data…

EPSS: 0.003 (24.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

vusec/fpvi-scsb

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26313?: CVE-2021-26313 is a medium-severity vulnerability in Amd All Supported Processors, classified under CWE-208. CVSS score: 5.5/10. Published 2021-06-09.
How severe is CVE-2021-26313?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-26313 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.