Information disclosure in MediaWiki
CVE-2017-8810
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2, when a private wiki is configured, provides different error messages for failed login attempts depending on whether the username exists, which allows remote attackers to enumerate account names and conduct brute-force attacks via a series of requests.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- MediaWiki — versions 1.28.0, 1.28.1, 1.28.2
- Debian Linux — versions 9.0
- MediaWiki Before 1.27.4, 1.28.x 1.28.3, And 1.29.x 1.29.2 — versions MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
Weakness classification (CWE)
References
- www.securitytracker.com/id/1039812 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html (Patch, Mailing List, Vendor Advisory)
- www.debian.org/security/2017/dsa-4036 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-8810?
- CVE-2017-8810 is a high-severity vulnerability in MediaWiki, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-11-15.
- How severe is CVE-2017-8810?
- High severity. CVSS v3 base score is 7.5 out of 10.