CVE-2017-18915
CRITICALCVSS 9.8/10EPSS 1.18%
Last modified
CVE-2017-18915 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 3.6.0, < 3.6.7 |
| Mattermost | Mattermost Server | >= 3.7.0, < 3.7.5 |
| Mattermost | Mattermost Server | >= 3.8.0, < 3.8.2 |
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-2017-18915?
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.
How severe is CVE-2017-18915?
CVE-2017-18915 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18915?
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-2017-1891Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2017-18910An issue was discovered in Mattermost Server before 3.8.2, 3…4.3
- CVE-2017-18911An issue was discovered in Mattermost Server before 3.8.2, 3…9.1
- CVE-2017-18912An issue was discovered in Mattermost Server before 3.8.2, 3…9.8
- CVE-2017-18913An issue was discovered in Mattermost Server before 3.8.2, 3…6.1
- CVE-2017-18914An issue was discovered in Mattermost Server before 3.8.2, 3…5.3
- CVE-2017-18916An issue was discovered in Mattermost Server before 3.8.2, 3…5.3
- CVE-2017-18917An issue was discovered in Mattermost Server before 3.8.2, 3…7.5
- CVE-2017-18918An issue was discovered in Mattermost Server before 3.7.3 an…4.9
- CVE-2017-18919An issue was discovered in Mattermost Server before 3.7.0 an…5.3
- CVE-2017-1892Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2017-18920An issue was discovered in Mattermost Server before 3.6.2. T…9.8
Are you affected by CVE-2017-18915?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST