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CVE-2012-0454

24
FAUCET Score

CVE-2012-0454 is a use-after-free vulnerability affecting Mozilla Firefox, Thunderbird, and SeaMonkey on 32-bit Windows 7 systems. This flaw, related to the IUnknown_QueryService function in shlwapi.dll during file-open dialog use in child windows, could lead to a denial of service (application crash) or potentially arbitrary code execution. With a CVSS score of 7.5, it is considered high severity, requiring no authentication and having low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.37%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0337 is in the 78th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

lists.opensuse.org / opensuse-security-announce/2012-03/msg00014.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/48402
secunia.com / advisories/48561
secunia.com / advisories/48629
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14258
mandriva.com / security/advisories
mozilla.org / security/announce/2012/mfsa2012-12.html
securitytracker.com / id
securitytracker.com / id
securitytracker.com / id