Medium severity · published Jun 19, 2020
CVE-2019-20869
An issue was discovered in Mattermost Server before 5.10.0, 5.9.1, 5.8.2, and 4.10.9
5.3
CVSS
0.8%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Server before 5.10.0, 5.9.1, 5.8.2, and 4.10.9. A non-member could change the Update/Patch Channel endpoint for a private channel.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 4.10.9; 5.7.0 before 5.7.3; 5.8.0 before 5.8.2; 5.9.0 before 5.9.1; 5.10.0; 5.10.0; +4 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20869
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20869
Vendor Advisory
https://mattermost.com/security-updates/
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