Weak Password Recovery Mechanism for Forgotten Password in JumpServer - CVE-2023-46138
Published: October 26, 2023 / Updated: April 27, 2026
Vulnerability identifier: #VU128130
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-46138
CWE-ID: CWE-640
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
JumpServer
JumpServer
Software vendor:
JumpServer
JumpServer
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to use of an unregistered default email address in password reset functionality when processing password reset operations for the default admin account. A remote attacker can register the referenced domain to disrupt password reset functionality and cause a denial of service.
The issue affects the initial admin account that uses the default email address admin@mycompany.com.
Remediation
Install security update from vendor's website.