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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…
High7.5EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- debian
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- information leak because of response discrepancy
- CWE-200 (opens in a new tab)All about CWE-200 and its CVEs
Affected products
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
- affected MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
References (3)
- 1039812 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4036 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-8810)Record last updated .