What is CVE-2022-24976?

CVE-2022-24976 is a critical-severity vulnerability in Atheme, classified under Improper Authentication. CVSS score: 9.1/10. Published 2022-02-14.

How severe is CVE-2022-24976?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Atheme

CVE-2022-24976

Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.

Vulnerability class: Broken Authentication

EPSS: 0.018 (76.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Atheme
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-24976?: CVE-2022-24976 is a critical-severity vulnerability in Atheme, classified under Improper Authentication. CVSS score: 9.1/10. Published 2022-02-14.
How severe is CVE-2022-24976?: Critical severity. CVSS v3 base score is 9.1 out of 10.