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CVE-2012-4381

28
FAUCET Score

CVE-2012-4381 affects MediaWiki versions before 1.18.5 and 1.19.x before 1.19.2, stemming from insecure password storage. This vulnerability allows attackers to potentially obtain cleartext passwords via brute-force or, in specific authentication plugin scenarios, reuse old passwords for non-existent accounts. With a CVSS score of 8.1 (HIGH), it presents a significant risk due to its network attack vector, high impact on confidentiality, integrity, and availability, and low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.18.5CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.19.0, < 1.19.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.06%
Probability of exploitation in next 30 days
EPSS Percentile
89.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0406 is in the 53rd percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

osvdb.org / show/osvdb/85106
Broken Link
bugs.debian.org / cgi-bin/bugreport.cgi
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lists.wikimedia.org / pipermail/mediawiki-announce/2012-August/000119.html
PatchRelease NotesVendor Advisory
phabricator.wikimedia.org / T41184
PatchVendor Advisory
openwall.com / lists/oss-security/2012/08/31/10
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2012/08/31/6
Mailing ListPatchThird Party Advisory