CVE-2023-2792

Name: CVE-2023-2792
Creator: NVD / NIST
Published: 2023-06-16T10:15:09.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2023-2792 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command. . EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost	>= 7.1.0, <= 7.1.9
Mattermost	Mattermost	>= 7.8.0, <= 7.8.4
Mattermost	Mattermost	>= 7.9.0, <= 7.9.3
Mattermost	Mattermost	7.10.0

References

https://mattermost.com/security-updates/Vendor Advisory
https://mattermost.com/security-updates/Vendor Advisory

Timeline

Published: Jun 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2792?

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

How severe is CVE-2023-2792?

CVE-2023-2792 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2792?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2792?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST