CVE-2018-21250
MEDIUMCVSS 6.5/10EPSS 1.08%
Last modified
CVE-2018-21250 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | < 4.10.4 |
| Mattermost | Mattermost Server | >= 5.1.0, < 5.1.2 |
| Mattermost | Mattermost Server | >= 5.2.0, < 5.2.2 |
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-2018-21250?
An issue was discovered in Mattermost Server before 5.2.2, 5.1.2, and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.
How severe is CVE-2018-21250?
CVE-2018-21250 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21250?
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-2018-21250?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST