CVE-2015-3409

Untrusted search path vulnerability in Module::Signature before 0.75 allows local users to gain privileges via a Trojan horse module under the current working directory, as demonstrated by a Trojan horse Text::Diff module.

Published: 2015-05-19 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-3409 is rated Moderate Risk (40.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.41%). Review affected assets and schedule remediation.

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-2015-3409

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 2026-06-15 0.12% 0.41% +0.29%
2 2025-03-30 0.16% 0.12% -0.04%
3 2025-03-29 — 0.16% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3409

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2015-3409

OS Trackers for CVE-2015-3409

vendor priority summary link
debian not yet assigned CVE-2015-3409 not yet assigned priority: Debian including 1 source packages (libmodule-signature-perl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-3409
redhat medium — https://access.redhat.com/security/cve/CVE-2015-3409
ubuntu medium CVE-2015-3409 medium priority: Ubuntu including 1 source packages (libmodule-signature-perl), 6 status rows across 6 suites (lucid, precise, trusty, upstream, utopic, vivid): released 5, ignored 1. https://ubuntu.com/security/CVE-2015-3409

NVD evaluator notes for CVE-2015-3409

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

Affected software / configurations for CVE-2015-3409

Vendor Product Version Raw CPE
module-signature_project module-signature <= 0.74 cpe:2.3:a:module-signature_project:module-signature:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.10 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

References for CVE-2015-3409

cvelogic Threat Intelligence