Vulnerability · Published Aug 22, 2024 · Assigned by Mattermost
CVE-2024-43780Unauthorized channel file upload
Medium 4.3
In plain English
A medium-severity improper access control in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 9.10.1+incompatible, 9.5.8+incompatible, 9.8.3+incompatible, 9.9.2+incompatible | GO-2024-3089 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-3089 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-3089 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.8.3 | GHSA-2jhx-w3vc-w59g |
| Go | github.com/mattermost/mattermost/server/v8 | 9.5.8 | GHSA-2jhx-w3vc-w59g |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-3089 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.10.1 | GHSA-2jhx-w3vc-w59g |
| Go | github.com/mattermost/mattermost/server/v8 | 9.9.2 | GHSA-2jhx-w3vc-w59g |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.9.0 – through 9.9.19.5.0 – through 9.5.79.10.09.8.0 – through 9.8.2 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N