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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Samba
- Canonical Ubuntu Linux — versions 18.04, 20.04, 21.04
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34, 35
- Samba — versions samba 4.15.2, samba 4.14.10, samba 4.13.14
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.samba.org/samba/security/CVE-2020-25722.html (Mitigation, Vendor Advisory)
- security.gentoo.org/glsa/202309-06 (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.