CVE-2015-2720 — The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file

Back Back to CVE browser

MEDIUM

The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file

Published May 14, 2015

4.4

MEDIUM

CVSS 2.0

EPSS 0.29%

Description

The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.29% 0.00287

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00287

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.29% (0.00287)	19.22th	v5 (v2026.06.15)
Jun 15, 2026	0.29% (0.00287)	20.20th	v5 (v2026.06.15)
Mar 17, 2025	0.15% (0.00147)	32.65th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00950)	32.28th	v2 (v2022.01.01)
Sep 10, 2022	0.95% (0.00950)	30.63th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00950)	28.61th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00950)	13.46th	v2 (v2022.01.01)

Weaknesses (1)

CWE-17

References (4)

http://www.mozilla.org/security/announce/2015/mfsa2015-58.html
x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
x_refsource_CONFIRM
http://www.securityfocus.com/bid/74611
vdb-entryx_refsource_BID
https://bugzilla.mozilla.org/show_bug.cgi?id=1127481
x_refsource_CONFIRM

Link	Providers	Tags
http://www.mozilla.org/security/announce/2015/mfsa2015-58.html		x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html		x_refsource_CONFIRM
http://www.securityfocus.com/bid/74611		vdb-entryx_refsource_BID
https://bugzilla.mozilla.org/show_bug.cgi?id=1127481		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mozilla

Published May 14, 2015

Updated Aug 6, 2024

Reserved Mar 25, 2015

Link CVE-2015-2720

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-2720

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-2720