CVE-2015-3407

Module::Signature before 0.74 allows remote attackers to bypass signature verification for files via a signature file that does not list the files.

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-2015-3407 is rated Moderate Risk (50.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.36%). EPSS rose +1.94% over the last day, indicating growing attacker interest. 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-2015-3407

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 0.41% 2.36% +1.94%
2 2025-07-13 0.65% 0.41% -0.23%
3 2025-05-18 — 0.65% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3407

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-3407

OS Trackers for CVE-2015-3407

vendor priority summary link
debian not yet assigned CVE-2015-3407 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-2015-3407
redhat medium — https://access.redhat.com/security/cve/CVE-2015-3407
ubuntu medium CVE-2015-3407 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-2015-3407

Affected software / configurations for CVE-2015-3407

Vendor Product Version Raw CPE
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:*:*:*:*:*:*:*
module-signature_project module-signature <= 0.73 cpe:2.3:a:module-signature_project:module-signature:*:*:*:*:*:*:*:*

References for CVE-2015-3407

cvelogic Threat Intelligence