Vulnerability · Published Aug 22, 2024 · Assigned by Mattermost
CVE-2024-32939Email addresses of remote users visible in props regardless of server settings
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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 87.3% 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.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."
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-2024-3093 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-3093 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-3093 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.8.3 | GHSA-4ww8-fprq-cq34 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.9.2 | GHSA-4ww8-fprq-cq34 |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-3093 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.5.8 | GHSA-4ww8-fprq-cq34 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.10.1 | GHSA-4ww8-fprq-cq34 |
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:L/I:N/A:N