CVE-2023-45820

Directus crashes on invalid WebSocket message

MEDIUM
6.5
CVSS Score
Published: October 19, 2023 at 06:38 PM UTC
Updated: June 17, 2026 at 06:29 AM UTC
2 products affected across 2 vendorsDirectusDirectus

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

Directus is a real-time API and App dashboard for managing SQL database content. In affected versions any Directus installation that has websockets enabled can be crashed if the websocket server receives an invalid frame. A malicious user could leverage this bug to crash Directus. This issue has been addressed in version 10.6.2. Users are advised to upgrade. Users unable to upgrade should avoid using websockets.

Affected

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

10.4.0 ≤ v < 10.6.2
Affected range stops below 10.6.2, so it looks safe — our inference, not a vendor statement
v < 10.6.210.4 ≤ v < 10.6.210.4
Affected range stops below 10.6.2, 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:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-755

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