Vulnerability Monitor

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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.

Published

2017-11-15T08:29:00.673

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mediawiki mediawiki ≤ 1.27.3 Yes
Application mediawiki mediawiki 1.28.0 Yes
Application mediawiki mediawiki 1.28.1 Yes
Application mediawiki mediawiki 1.28.2 Yes
Application mediawiki mediawiki 1.29.0 Yes
Application mediawiki mediawiki 1.29.1 Yes
Operating System debian debian_linux 9.0 Yes
References