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CRITICAL

CVE-2022-24976

CVSS v3

9.1

CRITICAL

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2022-02-14

Frequently asked questions

What is 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.

Is CVE-2022-24976 actively exploited?

Active exploitation of CVE-2022-24976 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-24976?

CVE-2022-24976 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2022-24976 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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