Is CVE-2013-0774 in the CISA KEV catalog?

No. CVE-2013-0774 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-0774?

CVE-2013-0774 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2013-0774?

CVE-2013-0774 has an EPSS score of 1.31% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-0774?

Upgrade DeveloperEdition to 17.0.3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2013-0774

MEDIUM

4.3

CVSS v2

NVD

Description

Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 do not prevent JavaScript workers from reading the browser-profile directory name, which has unspecified impact and remote attack vectors.

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:17.0.3Fixed in:17.0.3Mozilla

Affected:19.0Fixed in:19.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:17.0.3Fixed in:17.0.3Mozilla

Affected:19.0Fixed in:19.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:17.0.3Fixed in:17.0.3Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.31%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

bugzilla.mozilla.org

Vendor Advisory1

mozilla.org

Third-Party Advisory6

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.