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CVE-2012-1964

17
FAUCET Score

CVE-2012-1964 describes a clickjacking vulnerability in the certificate-warning functionality of Mozilla Firefox, Thunderbird, and SeaMonkey. An attacker could embed the about:certerror page within an IFRAME, tricking users into adding an unintended security exception. This vulnerability has a CVSS score of 4.0, indicating a medium attack complexity and partial impact on confidentiality and integrity, with no impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

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

4.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 13th percentile among its peer group of 19,955 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:10.0.6-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:10.0.6-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:10.0.6-2.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:10.0.6-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:10.0.6-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:10.0.6-1.el6_3
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2012-1964Moderate

Mozilla: Clickjacking of certificate warning page (MFSA 2012-54)

Jul 17, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-07/msg00011.html
lists.opensuse.org / opensuse-security-announce/2012-07/msg00012.html
lists.opensuse.org / opensuse-security-announce/2012-07/msg00013.html
osvdb.org / 84011
rhn.redhat.com / errata/RHSA-2012-1088.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/49965
secunia.com / advisories/49972
secunia.com / advisories/49977
secunia.com / advisories/49979
secunia.com / advisories/49992
secunia.com / advisories/49993
secunia.com / advisories/49994
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16783
mozilla.org / security/announce/2012/mfsa2012-54.html
Vendor Advisory
securityfocus.com / bid/54581
ubuntu.com / usn/USN-1509-1
ubuntu.com / usn/USN-1509-2