Auth bypass in Linux-pam

CVE-2022-28321

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pam_access.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via…

Vulnerability class: Broken Authentication

EPSS: 0.012 (64.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-28321?
CVE-2022-28321 is a critical-severity vulnerability in Linux-pam, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-09-19.
How severe is CVE-2022-28321?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-28321 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.