What’s Vulnerable › Vulnerabilities
CVE-2022-26562
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-04-01 · updated 2026-06-17
- Weakness: CWE-287
Description
An issue in provider/libserver/ECKrbAuth.cpp of Kopano Core <= v11.0.2.51 contains an issue which allows attackers to authenticate even if the user account or password is expired. It also exists in the predecessor Zarafa Collaboration Platform (ZCP) in provider/libserver/ECPamAuth.cpp of Zarafa >= 6.30 (introduced between 6.30.0 RC1e and 6.30.8 final).
Affected products
- Kopano Groupware Core: 11.0.2.51
References
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-342b96903b
- https://bugzilla.redhat.com/show_bug.cgi?id=2192126
- https://github.com/Kopano-dev/kopano-core/blob/master/provider/libserver/ECKrbAuth.cpp#L137
- https://jira.kopano.io/browse/KC-2021
- https://kopano.com/
- https://lists.debian.org/debian-lts-announce/2023/03/msg00006.html
- https://src.fedoraproject.org/rpms/zarafa/c/a5a8366ccf07f248fae6edffb5123cfda579bfdb?branch=epel7
- https://stash.kopano.io/projects/KC/repos/kopanocore/browse/provider/libserver/ECKrbAuth.cpp#137
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-342b96903b
- https://bugzilla.redhat.com/show_bug.cgi?id=2192126
- https://github.com/Kopano-dev/kopano-core/blob/master/provider/libserver/ECKrbAuth.cpp#L137
- https://jira.kopano.io/browse/KC-2021
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