7.5high

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 messag…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.15% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2

Classification

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

References

  • securitytracker.com /id/1039812 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.wikimedia.org /pipermail/mediawiki-announce/2017-November/000216.html · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-4036 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.