Is CVE-2013-5611 being actively exploited?

CVE-2013-5611 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-5611?

CVE-2013-5611 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2013-5611

MEDIUM · CVSS 5.8EPSS 2.1%EU EUVD

Mozilla Firefox before 26.0 does not properly remove the Application Installation doorhanger, which makes it easier for remote attackers to spoof a Web App installation site by controlling the timing of page navigation.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:P
EPSS score: 2.1% (82th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-5451)
Published: December 11, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-5451 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
fedoraproject / fedora
fedoraproject / fedora
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox

and 178 more…

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived

References

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123437.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124257.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00010.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-12/msg00085.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-12/msg00086.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-12/msg00087.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00002.html(Third Party Advisory)
http://www.mozilla.org/security/announce/2013/mfsa2013-105.html(Vendor Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
http://www.securitytracker.com/id/1029470
http://www.ubuntu.com/usn/USN-2052-1(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=771294(Issue Tracking)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain