What is CVE-2023-31127?

CVE-2023-31127 is a critical-severity vulnerability in Dmtf Libspdm, classified under Improper Authentication. CVSS score: 9.0/10. Published 2023-05-08.

How severe is CVE-2023-31127?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Auth bypass in Dmtf Libspdm

CVE-2023-31127

libspdm is a sample implementation that follows the DMTF SPDM specifications. A vulnerability has been identified in SPDM session establishment in libspdm prior to version 2.3.1. If a device supports both DHE session and PSK session with m…

Vulnerability class: Broken Authentication

EPSS: 0.009 (57.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Dmtf Libspdm — versions < 2.3.2

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-31127?: CVE-2023-31127 is a critical-severity vulnerability in Dmtf Libspdm, classified under Improper Authentication. CVSS score: 9.0/10. Published 2023-05-08.
How severe is CVE-2023-31127?: Critical severity. CVSS v3 base score is 9.0 out of 10.