CVE Vulnerabilities

CVE-2021-36377

Improper Certificate Validation

Published: Jul 12, 2021 | Modified: Nov 07, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Fossil Fossil-scm * 2.14.2 (excluding)
Fossil Fossil-scm 2.15.0 (including) 2.15.2 (excluding)
Fossil Ubuntu bionic *
Fossil Ubuntu groovy *
Fossil Ubuntu hirsute *
Fossil Ubuntu impish *
Fossil Ubuntu kinetic *
Fossil Ubuntu lunar *
Fossil Ubuntu mantic *
Fossil Ubuntu trusty *
Fossil Ubuntu upstream *
Fossil Ubuntu xenial *

Potential Mitigations

References