CVE-2016-11076 — Improper Certificate Validation in Mattermost Mattermost-server

CWE-295 — Improper Certificate ValidationCWE-614 — Sensitive Cookie in HTTPS Session Without 'Secure' Attribute5 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.3%
top 45.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-serverMattermost Server
Timeline
PublishedJun 19
Latest updateOct 30

Description

An issue was discovered in Mattermost Server before 3.0.0. It does not ensure that a cookie is used over SSL.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

🔴Vulnerability Details

4
OSV
Mattermost Server does not check if cookies are used over SSL in github.com/mattermost/mattermost-server↗2025-10-30
▶
OSV
Mattermost Server does not check if cookies are used over SSL↗2022-05-24
▶
GHSA
Mattermost Server does not check if cookies are used over SSL↗2022-05-24
▶
CVEList
CVE-2016-11076: An issue was discovered in Mattermost Server before 3↗2020-06-19
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CVE-2016-11076 — Improper Certificate Validation | cvebase