CVE-2021-37863
MEDIUM
5.7
CVSS Score
Published: December 17, 2021 at 04:10 PM UTC
Updated: June 17, 2026 at 04:01 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost
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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.9%
Description
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 6.0
v ≤ 6.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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