Auth bypass in Samba
CVE-2020-25722
Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise.
Vulnerability class: Broken Access Control
EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Samba
- Canonical Ubuntu_linux — versions 18.04, 20.04, 21.04
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34, 35
- N/a Samba — versions samba 4.15.2, samba 4.14.10, samba 4.13.14
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Mitigation, Vendor Advisory)
- secalert@redhat.com (vendor-advisory)
Frequently asked questions
- What is CVE-2020-25722?
- CVE-2020-25722 is a high-severity vulnerability in Samba, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2022-02-18.
- How severe is CVE-2020-25722?
- High severity. CVSS v3 base score is 8.8 out of 10.