CVE-2017-18906
HIGHCVSS 8.1/10EPSS 0.79%
Last modified
CVE-2017-18906 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.. EPSS estimates a 0.79% 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, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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-2017-18906?
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
How severe is CVE-2017-18906?
CVE-2017-18906 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18906?
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.
Are you affected by CVE-2017-18906?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST