Medium severity · published Jun 19, 2020
CVE-2017-18872
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3
4.3
CVSS
0.6%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 4.3.3; 4.4.0 before 4.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-18872
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-18872
Vendor Advisory
https://mattermost.com/security-updates/
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