CVE-2020-14448
HIGHCVSS 7.5/10EPSS 1.11%
Last modified
CVE-2020-14448 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | < 5.23.0 |
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-2020-14448?
An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020.
How severe is CVE-2020-14448?
CVE-2020-14448 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2020-14448?
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.
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- CVE-2020-14447An issue was discovered in Mattermost Server before 5.23.0. …7.5
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- CVE-2020-14450An issue was discovered in Mattermost Server before 5.22.0. …7.5
- CVE-2020-14451An issue was discovered in Mattermost Mobile Apps before 1.2…7.5
- CVE-2020-14452An issue was discovered in Mattermost Server before 5.21.0. …5.3
- CVE-2020-14453An issue was discovered in Mattermost Server before 5.21.0. …7.5
Are you affected by CVE-2020-14448?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST