VULNERABILITY INTELLIGENCE

CVE-2017-8810

CVSS score7.5 HIGH

EPSS probability2.15%

CISA KEVNot currently listed

Published2017-11-15

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references

security@debian.org — Third Party Advisory, VDB Entry
security@debian.org — Mailing List, Patch, Vendor Advisory
security@debian.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory