CVE-2024-24776GHSA-R833-W756-H5P2BIT-MATTERMOST-2024-24776GO-2024-2566
Incorrect Authorization leads to Channel Member Count Leak
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 8.1.8, 9.3.0, 9.3.0+incompatible
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Mattermost Mattermost
through 8.1.7
- github.com/mattermost/mattermost/server/v8Go
fixed in 8.1.8
- github.com/mattermost/mattermost/server/v8Go
From 9.0.0 · fixed in 9.3.0
- github.com/mattermost/mattermost-serverGo
From 9.0.0+incompatible · fixed in 9.3.0+incompatible
- github.com/mattermost/mattermost-server/v5Go
All versions
- github.com/mattermost/mattermost-server/v6Go
All versions
- github.com/mattermost/mattermost/server/v8Go
All versions