Uncaught Exception in Directus - CVE-2023-45820
Published: October 19, 2023 / Updated: April 23, 2026
Vulnerability identifier: #VU127094
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-45820
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Directus
Directus
Software vendor:
Directus
Directus
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper exception handling in the websocket server when processing an invalid websocket frame. A remote attacker can send a specially crafted invalid websocket frame to cause a denial of service.
Only installations with websockets enabled are vulnerable.
Remediation
Install security update from vendor's website.