Medium severity · published Jun 19, 2020
CVE-2019-20878
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 4.10.8; 5.7.0 before 5.7.3; 5.8.0 before 5.8.1; 5.9.0; 5.9.0; 5.9.0; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20878
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20878
Vendor Advisory
https://mattermost.com/security-updates/
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