CVE-2012-4382
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.
02 Description
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.9% of scored records. A rank, not a probability.
- NVD base score
- 4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-10-19 21:00Z9 YR AGO
- Last updated
- 2024-08-06 20:35Z2 YR AGO
- Reserved
- 2012-08-21
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 5f3fa49392cbb6435a59d766edeb9e075a1aeebfe4975d1ad2fcc61d19f041f0
05 Affected products
06 References
- www.openwall.com[oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flawshttp://www.openwall.com/lists/oss-security/2012/08/31/6
- lists.wikimedia.org[MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
- phabricator.wikimedia.orghttps://phabricator.wikimedia.org/T41823
- www.openwall.com[oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flawshttp://www.openwall.com/lists/oss-security/2012/08/31/10
- bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
07 Fixed in
Debian 12
- mediawiki Fixed in 1:1.19.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- mediawiki Fixed in 1:1.19.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- mediawiki Fixed in 1:1.19.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.