High severity · published Jun 19, 2020
CVE-2020-14456
An issue was discovered in Mattermost Desktop App before 4.4.0
7.3
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Desktop App before 4.4.0. The Same Origin Policy is mishandled during access-control decisions for web APIs, aka MMSA-2020-0006.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MD
Mattermost Desktop · Mattermost
before 4.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14456
Vendor Advisory
https://mattermost.com/security-updates/
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