CVE-2015-0833

Multiple untrusted search path vulnerabilities in updater.exe in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 on Windows, when the Maintenance Service is not used, allow local users to gain privileges via a Trojan horse DLL in (1) the current working directory or (2) a temporary directory, as demonstrated by bcrypt.dll.

Published: 2015-02-25 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-0833 is rated Low Risk (32.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-0833

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.05% 0.05% +0.01%
2 2025-02-23 0.06% 0.05% -0.02%
3 2024-08-21 — 0.06% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0833

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2015-0833

OS Trackers for CVE-2015-0833

vendor priority summary link
gentoo normal CVE-2015-0833: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-0833
suse medium — https://www.suse.com/security/cve/CVE-2015-0833/
ubuntu medium CVE-2015-0833 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 10 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): not-affected 5, DNE 2, ignored 2, released 1. https://ubuntu.com/security/CVE-2015-0833

NVD evaluator notes for CVE-2015-0833

Comment: <a href="http://cwe.mitre.org/data/definitions/426.html">CWE-426: Untrusted Search Path</a>

Affected software / configurations for CVE-2015-0833

Vendor Product Version Raw CPE
opensuse evergreen 11.4 cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
mozilla firefox <= 35.0.1 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox 0.1 cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:*
mozilla firefox 0.2 cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
mozilla firefox 0.3 cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:*
mozilla firefox 0.4 cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:*
mozilla firefox 0.5 cpe:2.3:a:mozilla:firefox:0.5:*:*:*:*:*:*:*
mozilla firefox 0.6 cpe:2.3:a:mozilla:firefox:0.6:*:*:*:*:*:*:*
mozilla firefox 0.6.1 cpe:2.3:a:mozilla:firefox:0.6.1:*:*:*:*:*:*:*
mozilla firefox 0.7 cpe:2.3:a:mozilla:firefox:0.7:*:*:*:*:*:*:*
mozilla firefox 0.7.1 cpe:2.3:a:mozilla:firefox:0.7.1:*:*:*:*:*:*:*
mozilla firefox 0.8 cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
mozilla firefox 0.9.1 cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
mozilla firefox 0.9.2 cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*
mozilla firefox 0.9.3 cpe:2.3:a:mozilla:firefox:0.9.3:*:*:*:*:*:*:*
mozilla firefox 0.10 cpe:2.3:a:mozilla:firefox:0.10:*:*:*:*:*:*:*
mozilla firefox 0.10.1 cpe:2.3:a:mozilla:firefox:0.10.1:*:*:*:*:*:*:*
mozilla firefox 1.0 cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
mozilla firefox 1.0 cpe:2.3:a:mozilla:firefox:1.0:preview_release:*:*:*:*:*:*
mozilla firefox 1.0.1 cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
mozilla firefox 1.0.2 cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
mozilla firefox 1.0.3 cpe:2.3:a:mozilla:firefox:1.0.3:*:*:*:*:*:*:*
mozilla firefox 1.0.4 cpe:2.3:a:mozilla:firefox:1.0.4:*:*:*:*:*:*:*
mozilla firefox 1.0.5 cpe:2.3:a:mozilla:firefox:1.0.5:*:*:*:*:*:*:*
mozilla firefox 1.0.6 cpe:2.3:a:mozilla:firefox:1.0.6:*:*:*:*:*:*:*
mozilla firefox 1.0.7 cpe:2.3:a:mozilla:firefox:1.0.7:*:*:*:*:*:*:*
mozilla firefox 1.0.8 cpe:2.3:a:mozilla:firefox:1.0.8:*:*:*:*:*:*:*
mozilla firefox 1.4.1 cpe:2.3:a:mozilla:firefox:1.4.1:*:*:*:*:*:*:*
mozilla firefox 1.5 cpe:2.3:a:mozilla:firefox:1.5:*:*:*:*:*:*:*
mozilla firefox 1.5 cpe:2.3:a:mozilla:firefox:1.5:beta1:*:*:*:*:*:*
mozilla firefox 1.5 cpe:2.3:a:mozilla:firefox:1.5:beta2:*:*:*:*:*:*
mozilla firefox 1.5.0.1 cpe:2.3:a:mozilla:firefox:1.5.0.1:*:*:*:*:*:*:*
mozilla firefox 1.5.0.2 cpe:2.3:a:mozilla:firefox:1.5.0.2:*:*:*:*:*:*:*
mozilla firefox 1.5.0.3 cpe:2.3:a:mozilla:firefox:1.5.0.3:*:*:*:*:*:*:*
mozilla firefox 1.5.0.4 cpe:2.3:a:mozilla:firefox:1.5.0.4:*:*:*:*:*:*:*
mozilla firefox 1.5.0.5 cpe:2.3:a:mozilla:firefox:1.5.0.5:*:*:*:*:*:*:*
mozilla firefox 1.5.0.6 cpe:2.3:a:mozilla:firefox:1.5.0.6:*:*:*:*:*:*:*
mozilla firefox 1.5.0.7 cpe:2.3:a:mozilla:firefox:1.5.0.7:*:*:*:*:*:*:*
mozilla firefox 1.5.0.8 cpe:2.3:a:mozilla:firefox:1.5.0.8:*:*:*:*:*:*:*
mozilla firefox 1.5.0.9 cpe:2.3:a:mozilla:firefox:1.5.0.9:*:*:*:*:*:*:*
mozilla firefox 1.5.0.10 cpe:2.3:a:mozilla:firefox:1.5.0.10:*:*:*:*:*:*:*
mozilla firefox 1.5.0.11 cpe:2.3:a:mozilla:firefox:1.5.0.11:*:*:*:*:*:*:*
mozilla firefox 1.5.0.12 cpe:2.3:a:mozilla:firefox:1.5.0.12:*:*:*:*:*:*:*
mozilla firefox 1.5.1 cpe:2.3:a:mozilla:firefox:1.5.1:*:*:*:*:*:*:*
mozilla firefox 1.5.2 cpe:2.3:a:mozilla:firefox:1.5.2:*:*:*:*:*:*:*
mozilla firefox 1.5.3 cpe:2.3:a:mozilla:firefox:1.5.3:*:*:*:*:*:*:*
mozilla firefox 1.5.4 cpe:2.3:a:mozilla:firefox:1.5.4:*:*:*:*:*:*:*
mozilla firefox 1.5.5 cpe:2.3:a:mozilla:firefox:1.5.5:*:*:*:*:*:*:*
mozilla firefox 1.5.6 cpe:2.3:a:mozilla:firefox:1.5.6:*:*:*:*:*:*:*
mozilla firefox 1.5.7 cpe:2.3:a:mozilla:firefox:1.5.7:*:*:*:*:*:*:*
mozilla firefox 1.5.8 cpe:2.3:a:mozilla:firefox:1.5.8:*:*:*:*:*:*:*
mozilla firefox 1.8 cpe:2.3:a:mozilla:firefox:1.8:*:*:*:*:*:*:*
mozilla firefox 2.0 cpe:2.3:a:mozilla:firefox:2.0:*:*:*:*:*:*:*
mozilla firefox 2.0.0.1 cpe:2.3:a:mozilla:firefox:2.0.0.1:*:*:*:*:*:*:*
mozilla firefox 2.0.0.2 cpe:2.3:a:mozilla:firefox:2.0.0.2:*:*:*:*:*:*:*
mozilla firefox 2.0.0.3 cpe:2.3:a:mozilla:firefox:2.0.0.3:*:*:*:*:*:*:*
mozilla firefox 2.0.0.4 cpe:2.3:a:mozilla:firefox:2.0.0.4:*:*:*:*:*:*:*
mozilla firefox 2.0.0.5 cpe:2.3:a:mozilla:firefox:2.0.0.5:*:*:*:*:*:*:*
mozilla firefox 2.0.0.6 cpe:2.3:a:mozilla:firefox:2.0.0.6:*:*:*:*:*:*:*
mozilla firefox 2.0.0.7 cpe:2.3:a:mozilla:firefox:2.0.0.7:*:*:*:*:*:*:*
mozilla firefox 2.0.0.8 cpe:2.3:a:mozilla:firefox:2.0.0.8:*:*:*:*:*:*:*
mozilla firefox 2.0.0.9 cpe:2.3:a:mozilla:firefox:2.0.0.9:*:*:*:*:*:*:*
mozilla firefox 2.0.0.10 cpe:2.3:a:mozilla:firefox:2.0.0.10:*:*:*:*:*:*:*
mozilla firefox 2.0.0.11 cpe:2.3:a:mozilla:firefox:2.0.0.11:*:*:*:*:*:*:*
mozilla firefox 2.0.0.12 cpe:2.3:a:mozilla:firefox:2.0.0.12:*:*:*:*:*:*:*
mozilla firefox 2.0.0.13 cpe:2.3:a:mozilla:firefox:2.0.0.13:*:*:*:*:*:*:*
mozilla firefox 2.0.0.14 cpe:2.3:a:mozilla:firefox:2.0.0.14:*:*:*:*:*:*:*
mozilla firefox 2.0.0.15 cpe:2.3:a:mozilla:firefox:2.0.0.15:*:*:*:*:*:*:*
mozilla firefox 2.0.0.16 cpe:2.3:a:mozilla:firefox:2.0.0.16:*:*:*:*:*:*:*
mozilla firefox 2.0.0.17 cpe:2.3:a:mozilla:firefox:2.0.0.17:*:*:*:*:*:*:*
mozilla firefox 2.0.0.18 cpe:2.3:a:mozilla:firefox:2.0.0.18:*:*:*:*:*:*:*
mozilla firefox 2.0.0.19 cpe:2.3:a:mozilla:firefox:2.0.0.19:*:*:*:*:*:*:*
mozilla firefox 2.0.0.20 cpe:2.3:a:mozilla:firefox:2.0.0.20:*:*:*:*:*:*:*
mozilla firefox 3.0 cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
mozilla firefox 3.0.1 cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
mozilla firefox 3.0.2 cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*

References for CVE-2015-0833

cvelogic Threat Intelligence