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MEDIUM · 4.9

CVE-2017-18876

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file.

Vulnerability Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file.

CVSS Score

4.9

MEDIUM

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

Affected Products

VendorProductVersions
MattermostMattermost Server< 4.1.2

Related Weaknesses (CWE)

CWE-732

References

FAQ

What is CVE-2017-18876?

CVE-2017-18876 is a vulnerability with a CVSS score of 4.9 (MEDIUM). An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can test for the existence of an arbitrary file.

How severe is CVE-2017-18876?

CVE-2017-18876 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-18876?

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