JabberD 2.x (aka jabberd2) before 2.6.1 allows anyone to authenticate using SASL ANONYMOUS, even when the sasl.anonymous c2s.xml option is not enabled.
https://github.com/jabberd2/jabberd2/releases/tag/jabberd-2.6.1
https://github.com/jabberd2/jabberd2/commit/8416ae54ecefa670534f27a31db71d048b9c7f16
https://bugs.debian.org/867032
http://www.securityfocus.com/bid/99511
http://www.debian.org/security/2017/dsa-3902
Source: Mitre, NVD
Published: 2017-07-04
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.01574