CVE-2021-31864

MEDIUM
5.3
CVSS Score
Published: April 28, 2021 at 06:16 AM UTC
Updated: June 17, 2026 at 03:52 AM UTC
2 products affected across 2 vendorsDebian LinuxRedmine

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows attackers to bypass the add_issue_notes permission requirement by leveraging the incoming mail handler.

Affected

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

v < 4.0.94.1.0 ≤ v < 4.1.34.2.0 ≤ v < 4.2.1
Affected range stops below 4.0.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

CVSS

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

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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