PT-2023-21366 · Mattermost · Mattermost Apps Framework

Rohitesh Gupta · Published 2023-06-16 · Updated 2023-06-22 · CVE-2023-2783

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost Apps Framework (affected versions not specified)

Description The issue concerns a failure to verify secrets in incoming webhook requests, allowing an attacker to modify the contents of posts sent by the Apps.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2023-2783

GHSA-455C-VQRF-MGHR

Affected Products

Mattermost Apps Framework

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2023-2783 · Security Note
• https://osv.dev/vulnerability/CVE-2023-2783 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-455c-vqrf-mghr · Vendor Advisory
• https://github.com/mattermost/mattermost-server · Note
• https://t.me/cvenotify/52480 · Telegram Post