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CVE-2012-1943

23
FAUCET Score

CVE-2012-1943 describes an untrusted search path vulnerability in the Windows Updater Service of Mozilla Firefox, Thunderbird, and SeaMonkey versions 12.0 and 2.9 respectively. This flaw allows a local attacker to escalate privileges by placing a malicious wsock32.dll file in an application directory. With a CVSS score of 6.9, this vulnerability has high impact on confidentiality, integrity, and availability, but requires medium attack complexity and local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:12.0:*:*:*:*:*:*:*
2.9CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:2.9:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
21.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 16th percentile among its peer group of 1,595 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

References

lists.opensuse.org / opensuse-security-announce/2012-06/msg00012.html
bugzilla.mozilla.org / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16924
mozilla.org / security/announce/2012/mfsa2012-35.html
Vendor Advisory