Auth bypass in Kopano Groupware Core
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 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).
Vulnerability class: Broken Authentication
EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kopano Groupware_core — versions 11.0.2.51
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Exploit, Vendor Advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
Frequently asked questions
- What is CVE-2022-26562?
- CVE-2022-26562 is a critical-severity vulnerability in Kopano Groupware Core, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-04-01.
- How severe is CVE-2022-26562?
- Critical severity. CVSS v3 base score is 9.8 out of 10.