CVE-2017-18870

MEDIUM
4.3
CVSS Score
Published: June 19, 2020 at 04:47 PM UTC
Updated: June 17, 2026 at 01:13 AM UTC
1 product affected across 1 vendorMattermost Server

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.6%

Description

An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.3.44.4.0 ≤ v < 4.4.54.5.0 rc14.5.0 rc24.5.0 rc34.5.0 rc4
Affected range stops below 4.3.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
https://mattermost.com/security-updates/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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