Improper Authentication in JumpServer - CVE-2023-42442

 

Improper Authentication in JumpServer - CVE-2023-42442

Published: September 20, 2023 / Updated: August 30, 2024


Vulnerability identifier: #VU80928
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-42442
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the session replays can be downloaded without authentication within the /api/v1/terminal/sessions/ API. A remote attacker can bypass authentication process and perform a denial of service (DoS) attack.


Affected software

JumpServer

How to mitigate CVE-2023-42442

Install updates from vendor's website.

JumpServer - addressed in versions 3.5.5, 3.6.4

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins