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CVE-2012-1581
MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for password reset tokens, which makes it easier for…
- 5.0MediumCVSS base score
- 1.6%Exploitation in 30 daysEPSS · top 24% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for password reset tokens, which makes it easier for remote attackers to change the passwords of arbitrary users.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
8
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35078 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20120323 CVEs for MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 48504 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- mediawiki-random-numbers-sec-bypass(78910) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.17.3 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120322 MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 52689 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- EUVD EUVD-2012-1598 (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://cveledger.app/cve/CVE-2012-1581)Record last updated .