CVE-2021-3349

low-risk
Published 2021-02-01

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

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Evolution

Affected Vendors

Gnome

References (6)

Third Party Advisory https://dev.gnupg.org/T4735
Third Party Advisory https://gitlab.gnome.org/GNOME/evolution/-/issues/299
Exploit https://mgorny.pl/articles/evolution-uid-trust-extrapolation.html
Third Party Advisory https://dev.gnupg.org/T4735
Third Party Advisory https://gitlab.gnome.org/GNOME/evolution/-/issues/299
Exploit https://mgorny.pl/articles/evolution-uid-trust-extrapolation.html
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal