High severity · published Jun 19, 2020
CVE-2019-20865
An issue was discovered in Mattermost Server before 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Server before 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10. The login page allows CSRF.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 4.10.10; 5.9.0 before 5.9.2; 5.10.0 before 5.10.2; 5.11.0 before 5.11.1; 5.12.0; 5.12.0; +4 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20865
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20865
Vendor Advisory
https://mattermost.com/security-updates/
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