What is CVE-2016-11077?

CVE-2016-11077 is a low-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 2.7/10. Published 2020-06-19.

How severe is CVE-2016-11077?

Low severity. CVSS v3 base score is 2.7 out of 10.

Vulnerability in Mattermost Server

CVE-2016-11077

An issue was discovered in Mattermost Server before 3.0.0. It has a superfluous API in which the System Admin can change the account name and e-mail address of an LDAP account.

Published 2020-06-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Mattermost Server

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

mattermost.com/security-updates/ (Vendor Advisory)

Frequently asked questions

What is CVE-2016-11077?: CVE-2016-11077 is a low-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 2.7/10. Published 2020-06-19.
How severe is CVE-2016-11077?: Low severity. CVSS v3 base score is 2.7 out of 10.