How severe is CVE-2015-3406?

CVE-2015-3406 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2015-3406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3406?

CVE-2015-3406 primarily affects Module-signature Project Module-signature. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-3406 published?

CVE-2015-3406 was published on 2019-11-29 and last updated on 2026-06-17.

CVE-2015-3406

CVE-2015-3406 is a high-severity vulnerability in Module-signature Project Module-signature with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-681.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-681
Affected product: Module-signature Project Module-signature
Published: 2019-11-29
Last modified: 2026-06-17

Description

The PGP signature parsing in Module::Signature before 0.74 allows remote attackers to cause the unsigned portion of a SIGNATURE file to be treated as the signed portion via unspecified vectors.

Frequently asked questions

What is CVE-2015-3406?: The PGP signature parsing in Module::Signature before 0.74 allows remote attackers to cause the unsigned portion of a SIGNATURE file to be treated as the signed portion via unspecified vectors.
How severe is CVE-2015-3406?: CVE-2015-3406 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2015-3406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3406?: CVE-2015-3406 primarily affects Module-signature Project Module-signature. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-3406 published?: CVE-2015-3406 was published on 2019-11-29 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:module-signature_project:module-signature:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

More vulnerabilities in Module-signature Project Module-signature

CVE-2015-3408 — Critical (CVSS 10.0): Module::Signature before 0.74 allows remote attackers to execute arbitrary shell commands via a crafted SIGNATURE file…
CVE-2015-3409 — High (CVSS 7.2): Untrusted search path vulnerability in Module::Signature before 0.75 allows local users to gain privileges via a Trojan…
CVE-2015-3407 — Medium (CVSS 5.0): Module::Signature before 0.74 allows remote attackers to bypass signature verification for files via a signature file…

All CVEs affecting Module-signature Project Module-signature →

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Browse all CWE-681 vulnerabilities →