What is CVE-2017-18878?

CVE-2017-18878 is a medium-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.3/10. Published 2020-06-19.

How severe is CVE-2017-18878?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mattermost Server

CVE-2017-18878

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.

EPSS: 0.008 (51.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Mattermost Mattermost_server — versions 4.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-18878?: CVE-2017-18878 is a medium-severity vulnerability in Mattermost Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.3/10. Published 2020-06-19.
How severe is CVE-2017-18878?: Medium severity. CVSS v3 base score is 4.3 out of 10.