CVE-2014-1520

Name: CVE-2014-1520
Creator: NVD / NIST
Published: 2014-04-30T10:49:04.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.41%

Last modified Jun 17, 2026

CVE-2014-1520 is a vulnerability of currently unknown severity. maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a temporary directory at an unspecified point in the update process.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a temporary directory at an unspecified point in the update process.

Metrics

EPSS Probability

0.41%

32.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 29.0
Mozilla	Firefox	>= 24.0, < 24.5
Fedoraproject	Fedora	19
Fedoraproject	Fedora	20

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlThird Party Advisory
http://packetstormsecurity.com/files/161696/Mozilla-Arbitrary-Code-Execution-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Mar/14Mailing List, Third Party Advisory
http://secunia.com/advisories/59866Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-35.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=961676Exploit, Issue Tracking, Patch, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlThird Party Advisory
http://packetstormsecurity.com/files/161696/Mozilla-Arbitrary-Code-Execution-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Mar/14Mailing List, Third Party Advisory
http://secunia.com/advisories/59866Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-35.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=961676Exploit, Issue Tracking, Patch, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory

Timeline

Published: Apr 30, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-1520?

How severe is CVE-2014-1520?

Severity scoring for CVE-2014-1520 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2014-1520?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-1520?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST