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CVE-2013-0774

19
FAUCET Score

CVE-2013-0774 describes a vulnerability in Mozilla Firefox, Firefox ESR, Thunderbird, Thunderbird ESR, and SeaMonkey versions prior to their respective updates. This flaw allows JavaScript workers to read the browser-profile directory name, which could lead to unspecified information disclosure. Rated with a CVSS score of 4.3, it is a low-severity vulnerability with a network attack vector, medium attack complexity, and potential for partial confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 19.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.16CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 37th percentile among its peer group of 19,956 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 (1)

mozillapatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-0774Critical

Mozilla: Privacy leak in JavaScript Workers (MFSA 2013-25)

Feb 19, 2013

References

lists.opensuse.org / opensuse-security-announce/2013-02/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2013-02/msg00062.html
Mailing ListThird Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16797
Third Party Advisory
mozilla.org / security/announce/2013/mfsa2013-25.html
Vendor Advisory
ubuntu.com / usn/USN-1729-1
Third Party Advisory
ubuntu.com / usn/USN-1729-2
Third Party Advisory
ubuntu.com / usn/USN-1748-1
Third Party Advisory