CVE-2021-3349

LOW
3.3
CVSS Score
Published: February 1, 2021 at 04:04 AM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorEvolution

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Severity
LOW3.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 3.38.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCThird Party Advisory
https://dev.gnupg.org/T4735
x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
https://mgorny.pl/articles/evolution-uid-trust-extrapolation.html

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-345

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