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CVE-2021-3349

3.3 · LOW

GNOME Evolution through 3.38.3 produces a "Valid signature" message for an unknown identifier on a previously trusted key because Evolution does not retrieve enough information from the GnuPG API.

Published Feb 1, 2021CWE-345EPSS 0.35%

Overview

CVE-2021-3349 is a low-severity vulnerability. It was published on February 1, 2021 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

GNOME Evolution through 3.38.3 produces a "Valid signature" message for an unknown identifier on a previously trusted key because Evolution does not retrieve enough information from the GnuPG API. NOTE: third parties dispute the significance of this issue, and dispute whether Evolution is the best place to change this behavior

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdev.gnupg.org/T4735Refgitlab.gnome.org/GNOME/evolution/-/issues/299Refmgorny.pl/articles/evolution-uid-trust-extrapolation.htmlRefdev.gnupg.org/T4735Refgitlab.gnome.org/GNOME/evolution/-/issues/299Refmgorny.pl/articles/evolution-uid-trust-extrapolation.html

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3349?

CVE-2021-3349 is a low-severity vulnerability. It was published on February 1, 2021 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2021-3349?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-3349?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-3349?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3349 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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