CVE-2024-2447 json
Mattermost fails to authenticate the source of certain types of post actions
published 2024-04-05 2 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2024-2447 , EUVD-2024-1324 , GHSA-wp43-vprh-c3w5 , GO-2024-2696
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
Patch / fix
- go github.com/mattermost/mattermost/server/v8 8.1.11, 9.3.3, 9.4.4, 9.5.2
- bitnami mattermost 8.1.11, 9.3.3, 9.4.4, 9.5.2
- go github.com/mattermost/mattermost-server 9.3.3+incompatible, 9.4.4+incompatible, 9.5.2+incompatible
- Mattermost Mattermost 8.1.11, 9.3.3, 9.4.4, 9.5.2, 9.6.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >=8.1.0, <8.1.11 >=9.5.0, <9.5.2 >=9.4.0, <9.4.4 >=9.3.0, <9.3.3 all versions |
8.1.11 9.5.2 9.4.4 9.3.3 |
| bitnami | mattermost | >=8.1.0, <8.1.11 >=9.3.0, <9.3.3 >=9.4.0, <9.4.4 >=9.5.0, <9.5.2 |
8.1.11 9.3.3 9.4.4 9.5.2 |
| go | github.com/mattermost/mattermost-server | >=9.3.0+incompatible, <9.3.3+incompatible >=9.4.0+incompatible, <9.4.4+incompatible >=9.5.0+incompatible, <9.5.2+incompatible |
9.3.3+incompatible 9.4.4+incompatible 9.5.2+incompatible |
| go | github.com/mattermost/mattermost-server/v5 | all versions |
no fix listed |
| go | github.com/mattermost/mattermost-server/v6 | all versions |
no fix listed |
Affected products
- Mattermost Mattermost
Classification
References
-
mattermost.com
/security-updates
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-2447
advisory, web
-
github.com
/advisories/GHSA-wp43-vprh-c3w5
advisory
Sources
- CVE List CVE-2024-2447
- GitHub Advisory GHSA-wp43-vprh-c3w5
- NVD CVE-2024-2447
- OSV BIT-mattermost-2024-2447
- OSV GO-2024-2696
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