CVE-2021-36377

HIGH
7.5
CVSS Score
Published: July 12, 2021 at 12:11 PM UTC
Updated: June 17, 2026 at 03:58 AM UTC
2 products affected across 2 vendorsFedoraFossil

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%

Description

Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.

Affected

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

v < 2.14.22.15.0 ≤ v < 2.15.2
Affected range stops below 2.14.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.15.2, so it looks safe — our inference, not a vendor statement

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-295

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