CVE-2024-28949 json
DoS via a large number of User Preferences
published 2024-04-05 2 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2024-28949 , EUVD-2024-1247 , GHSA-mcw6-3256-64gg , GO-2024-2695
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service.
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
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >=8.1.0, <8.1.11 >=9.3.0, <9.3.3 >=9.4.0, <9.4.4 >=9.5.0, <9.5.2 all versions |
8.1.11 9.3.3 9.4.4 9.5.2 |
| 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
-
github.com
/mattermost/mattermost/commit/11a21f4da352a472a09de3b8e125514750a6619a
web
-
github.com
/mattermost/mattermost/commit/362b7d29d35c00fe80721d3d47442a4f3168eb2b
web
-
github.com
/mattermost/mattermost/commit/5632d6b4ff6d019a21bb8ddd037d4a931cd85ae2
web
-
github.com
/mattermost/mattermost/commit/88f9285173dc4cb35fa19a8b8604e098a567f704
web
-
mattermost.com
/security-updates
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-28949
advisory, web
-
pkg.go.dev
/vuln/GO-2024-2695
web
-
github.com
/advisories/GHSA-mcw6-3256-64gg
advisory
Sources
- CVE List CVE-2024-28949
- GitHub Advisory GHSA-mcw6-3256-64gg
- NVD CVE-2024-28949
- OSV BIT-mattermost-2024-28949
- OSV GO-2024-2695
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