Medium severity · published Jun 19, 2020
CVE-2017-18892
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 4.0.5; 4.1.0 before 4.1.1; 4.2.0; 4.2.0; 4.2.0; 4.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-18892
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-18892
Vendor Advisory
https://mattermost.com/security-updates/
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