CVE-2019-20861

HIGH
8.8
CVSS Score
Published: June 19, 2020 at 02:16 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
1 product affected across 1 vendorMattermost Desktop

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

An issue was discovered in Mattermost Desktop App before 4.2.2. It allows attackers to execute arbitrary code via a crafted link.

Affected

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

v < 4.2.2
Affected range stops below 4.2.2, 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
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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