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.
https://github.com/atheme/atheme/compare/v7.2.11...v7.2.12
https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52
https://www.openwall.com/lists/oss-security/2022/01/30/4
Source: Mitre, NVD
Published: 2022-02-14
Updated: 2024-11-21
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00214