CVE-2017-18903
HIGHCVSS 8.8/10EPSS 0.43%
Last modified
CVE-2017-18903 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | < 3.9.2 |
| Mattermost | Mattermost Server | >= 3.10.0, < 3.10.2 |
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://mattermost.com/security-updates/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-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.
How severe is CVE-2017-18903?
CVE-2017-18903 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2017
- CVE-2017-18898An issue was discovered in Mattermost Server before 4.2.0, 4…5.3
- CVE-2017-18899An issue was discovered in Mattermost Server before 4.2.0, 4…5.3
- CVE-2017-1890Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2017-18900An issue was discovered in Mattermost Server before 4.1.0, 4…9.8
- CVE-2017-18901An issue was discovered in Mattermost Server before 4.1.0, 4…5.3
- CVE-2017-18902An issue was discovered in Mattermost Server before 4.1.0, 4…5.3
- CVE-2017-18904An issue was discovered in Mattermost Server before 4.0.0, 3…6.1
- CVE-2017-18905An issue was discovered in Mattermost Server before 4.0.0, 3…5.3
- CVE-2017-18906An issue was discovered in Mattermost Server before 4.0.0, 3…8.1
- CVE-2017-18907An issue was discovered in Mattermost Server before 4.0.0, 3…6.1
- CVE-2017-18908An issue was discovered in Mattermost Server before 4.0.0, 3…9.8
- CVE-2017-18909An issue was discovered in Mattermost Server before 3.9.0 wh…7.5
Are you affected by CVE-2017-18903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST