1. Home
  2. CVE Database
  3. CVE-2018-21248
HIGH · 7.5

CVE-2018-21248

An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.

Vulnerability Description

An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MattermostMattermost Server< 5.4.0

Related Weaknesses (CWE)

CWE-522

References

FAQ

What is CVE-2018-21248?

CVE-2018-21248 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Mattermost Server before 5.4.0. It mishandles possession of superfluous authentication credentials.

How severe is CVE-2018-21248?

CVE-2018-21248 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-21248?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost Server.