CVE-2023-4105 json
Attachment of deleted message in a thread remains accessible and downloadable
published 2023-08-11 3 y ago modified 2026-06-17 4 mo ago also GHSA-g3v6-r8p9-wxg9 , EUVD-2023-2285
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
Patch / fix
- go github.com/mattermost/mattermost-server/v6 7.8.8, 7.9.6, 7.10.4
- Mattermost Mattermost 7.8.8, 7.9.6, 7.10.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server/v6 | >=7.9.0, <7.9.6 >=7.10.0, <7.10.4 <7.8.8 |
7.9.6 7.10.4 7.8.8 |
Affected products
- Mattermost Mattermost
Classification
References
-
mattermost.com
/security-updates
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-4105
advisory
Sources
- CVE List CVE-2023-4105
- GitHub Advisory GHSA-g3v6-r8p9-wxg9
- NVD CVE-2023-4105
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