CVE-2019-20873
MEDIUMCVSS 6.5/10EPSS 0.93%
Last modified
CVE-2019-20873 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.
Description
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Mattermost | Mattermost Server | < 4.10.8 | — |
| Mattermost | Mattermost Server | >= 5.7.0, < 5.7.3 | — |
| Mattermost | Mattermost Server | >= 5.8.0, < 5.8.1 | — |
| Mattermost | Mattermost Server | 5.9.0 | Rc1 |
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-2019-20873?
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.
How severe is CVE-2019-20873?
CVE-2019-20873 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20873?
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-2019-20868An issue was discovered in Mattermost Server before 5.11.0. …7.5
- CVE-2019-20869An issue was discovered in Mattermost Server before 5.10.0, …5.3
- CVE-2019-2087In libxaac, there is a possible out of bounds write due to a…8.8
- CVE-2019-20870An issue was discovered in Mattermost Server before 5.10.0. …4.3
- CVE-2019-20871An issue was discovered in Mattermost Server before 5.9.0, 5…7.5
- CVE-2019-20872An issue was discovered in Mattermost Server before 5.9.0, 5…5.5
- CVE-2019-20874An issue was discovered in Mattermost Server before 5.9.0, 5…7.5
- CVE-2019-20875An issue was discovered in Mattermost Server before 5.9.0, 5…5.3
- CVE-2019-20876An issue was discovered in Mattermost Server before 5.9.0, 5…5.4
- CVE-2019-20877An issue was discovered in Mattermost Server before 5.9.0, 5…5.3
- CVE-2019-20878An issue was discovered in Mattermost Server before 5.9.0, 5…4.3
- CVE-2019-20879An issue was discovered in Mattermost Server before 5.8.0, 5…4.3
Are you affected by CVE-2019-20873?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST