CVE-2017-18903
published 2020-06-19CVE-2017-18903: An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.
PriorityP336high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.43%
35.1th percentile
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 3.9.2 | 3.9.2 |
| github.com | mattermost_mattermost-server | >= 0 < 3.9.2+incompatible | 3.9.2+incompatible |
| github.com | mattermost_mattermost-server | >= 3.10.0+incompatible < 3.10.2+incompatible | 3.10.2+incompatible |
| github.com | mattermost_mattermost-server | >= 3.10.0-rc1 < 3.10.2 | 3.10.2 |
| mattermost | mattermost_server | < 3.9.2 | 3.9.2 |
| mattermost | mattermost_server | >= 3.10.0 < 3.10.2 | 3.10.2 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.05.1MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:P
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OSV
Mattermost Server vulnerable to CSRF if CORS is enabled in github.com/mattermost/mattermost-server
osv·2026-02-26
CVE-2017-18903 Mattermost Server vulnerable to CSRF if CORS is enabled in github.com/mattermost/mattermost-server
Mattermost Server vulnerable to CSRF if CORS is enabled in github.com/mattermost/mattermost-server
Mattermost Server vulnerable to CSRF if CORS is enabled in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: .
OSV
Mattermost Server vulnerable to CSRF if CORS is enabled
osv·2022-05-24
CVE-2017-18903 [HIGH] Mattermost Server vulnerable to CSRF if CORS is enabled
Mattermost Server vulnerable to CSRF if CORS is enabled
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.
GHSA
Mattermost Server vulnerable to CSRF if CORS is enabled
ghsa·2022-05-24
CVE-2017-18903 [HIGH] CWE-352 Mattermost Server vulnerable to CSRF if CORS is enabled
Mattermost Server vulnerable to CSRF if CORS is enabled
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-06-19
Published