Medium severity · published Jun 19, 2020
CVE-2020-14455
An issue was discovered in Mattermost Desktop App before 4.4.0
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Desktop App before 4.4.0. Prompting for HTTP Basic Authentication is mishandled, allowing phishing, aka MMSA-2020-0007.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% 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-2020-14455
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14455
Vendor Advisory
https://mattermost.com/security-updates/
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