CVE-2022-26562
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-04-01 00:00Z4 YR AGO
- Last updated
- 2024-08-03 05:03Z2 YR AGO
- Reserved
- 2022-03-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.1
- Document digest
- aa8e5f332e1fbfcd5cf1b68245c487802767ae44cff682a5670570dada718b92
05 Affected products
06 References
- kopano.comhttps://kopano.com/
- stash.kopano.iohttps://stash.kopano.io/projects/KC/repos/kopanocore/browse/provider/libserver/ECKrbAuth.cpp#137
- lists.debian.org[debian-lts-announce] 20230306 [SECURITY] [DLA 3354-1] kopanocore security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00006.html
- jira.kopano.iohttps://jira.kopano.io/browse/KC-2021
- github.comhttps://github.com/Kopano-dev/kopano-core/blob/master/provider/libserver/ECKrbAuth.cpp#L137
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2192126
- bodhi.fedoraproject.orghttps://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-342b96903b
- src.fedoraproject.orghttps://src.fedoraproject.org/rpms/zarafa/c/a5a8366ccf07f248fae6edffb5123cfda579bfdb?branch=epel7
07 Fixed in
Ubuntu 20.04 LTS
- kopanocore Fixed in 8.7.0-7ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- kopanocore Fixed in 8.7.0-7.1ubuntu10.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- kopanocore Fixed in 8.5.5-0ubuntu1+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.