CVE-2019-20861
HIGHCVSS 8.8/10EPSS 1.66%
Last modified
CVE-2019-20861 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Desktop | < 4.2.2 |
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-2019-20861?
An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.
How severe is CVE-2019-20861?
CVE-2019-20861 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20861?
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 2019
- CVE-2019-20856An issue was discovered in Mattermost Desktop App before 4.3…9.8
- CVE-2019-20857An issue was discovered in Mattermost Server before 5.16.0. …7.5
- CVE-2019-20858An issue was discovered in Mattermost Server before 5.15.0. …7.5
- CVE-2019-20859An issue was discovered in Mattermost Server before 5.15.0. …7.5
- CVE-2019-2086In libxaac, there is a possible out of bounds write due to a…8.8
- CVE-2019-20860An issue was discovered in Mattermost Server before 5.14.0, …5.5
- CVE-2019-20862An issue was discovered in Mattermost Server before 5.13.0. …7.5
- CVE-2019-20863An issue was discovered in Mattermost Server before 5.13.0. …7.5
- CVE-2019-20864An issue was discovered in Mattermost Plugins before 5.13.0.…7.5
- CVE-2019-20865An issue was discovered in Mattermost Server before 5.12.0, …8.8
- CVE-2019-20866An issue was discovered in Mattermost Server before 5.12.0. …5.3
- CVE-2019-20867An issue was discovered in Mattermost Server before 5.11.0. …5.3
Are you affected by CVE-2019-20861?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST