CVE-2021-36377 — Improper Certificate Validation in Fossil

CWE-295 — Improper Certificate Validation5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 71.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Fossil-scm FossilFedoraproject Fedora
Timeline
PublishedJul 12
Latest updateMay 24

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDfossil-scm/fossil2.15.0 — 2.15.2+1
▶Debianfossil-scm/fossil< 1:2.15.2-1+2

Also affects: Fedora 34

🔴Vulnerability Details

3
GHSA
GHSA-4cqm-xv6v-78c5: Fossil before 2↗2022-05-24
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CVEList
CVE-2021-36377: Fossil before 2↗2021-07-12
▶
OSV
CVE-2021-36377: Fossil before 2↗2021-07-12
▶

📋Vendor Advisories

1
Debian
CVE-2021-36377: fossil - Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check dur...↗2021
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CVE-2021-36377 — Improper Certificate Validation | cvebase