CVEvulnerability

CVE-2017-8810

7.5 HIGH Published 2017-11-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-11-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

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.

Affected configurations

• mediawiki mediawiki (<= 1.27.3) • mediawiki mediawiki 1.28.0 • mediawiki mediawiki 1.28.1 • mediawiki mediawiki 1.28.2 • mediawiki mediawiki 1.29.0 • mediawiki mediawiki 1.29.1 • debian debian linux 9.0

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References