Use of Less Trusted Source in JumpServer - CVE-2023-46123
Published: October 24, 2023 / Updated: April 27, 2026
Vulnerability identifier: #VU128132
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-46123
CWE-ID: CWE-348
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: JumpServer
Affected software:
JumpServer
JumpServer
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass password brute-force protections and disclose sensitive information.
The vulnerability exists due to use of a less trusted source in the Core API authentication endpoint when handling authentication requests that supply client IP address values. A remote attacker can send specially crafted requests with spoofed X-Forwarded-For or remote_addr values to bypass password brute-force protections and disclose sensitive information.
How to mitigate CVE-2023-46123
Install security update from vendor's website.