Is CVE-2014-1511 being actively exploited?

CVE-2014-1511 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-1511?

CVE-2014-1511 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2014-1511

CRITICAL · CVSS 9.8EPSS 83.6%EU EUVD

Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-269
EPSS score: 83.6% (100th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-1587)
Published: March 19, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-1587 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
debian / debian linux
debian / debian linux
mozilla / firefox
mozilla / seamonkey
mozilla / thunderbird
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / suse linux enterprise desktop
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise software development kit

Certified products that may be affected

3 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
Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00016.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00022.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00016.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0310.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0316.html(Third Party Advisory)
http://www.debian.org/security/2014/dsa-2881(Third Party Advisory)
http://www.debian.org/security/2014/dsa-2911(Third Party Advisory)
http://www.mozilla.org/security/announce/2014/mfsa2014-29.html(Vendor Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
http://www.securityfocus.com/bid/66207(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2151-1(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=982909(Exploit, Issue Tracking, Vendor Advisory)
https://security.gentoo.org/glsa/201504-01(Third Party Advisory)

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

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