SB20231019122 - Uncaught Exception in Directus
Published: October 19, 2023 Updated: April 23, 2026
Security Bulletin ID
SB20231019122
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Uncaught Exception (CVE-ID: CVE-2023-45820)
CWE-ID: CWE-248 - Uncaught Exception
CVSSv4: 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
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 update from vendor's website.