CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2017-18908
Critical (9.8) in mattermost mattermost server. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 3.10.1, 3.10.1+incompatible, 3.9.1-rc1.
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. A password-reset request was sometime sent to an attacker-provided e-mail address.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- CWE
- CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-34cx-hvm4-vx7j | Go | github.com/mattermost/mattermost-server | <3.9.1-rc1 | 3.9.1-rc1 |
| GHSA-34cx-hvm4-vx7j | Go | github.com/mattermost/mattermost-server | >=3.10.0 <3.10.1 | 3.10.1 |
| GO-2026-4476 | Go | github.com/mattermost/mattermost-server | <3.9.1-rc1+incompatible >=3.10.0+incompatible <3.10.1+incompatible | 3.9.1-rc1+incompatible, 3.10.1+incompatible |