Improper authentication in Junos OS - CVE-2025-59980
Published: October 13, 2025
Vulnerability identifier: #VU116929
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-59980
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an error in the FTP server. A remote user can bypass authentication process and get limited read-write access to files on the device.
Affected software
Junos OS
How to mitigate CVE-2025-59980
Install updates from vendor's website.
Junos OS - addressed in versions 22.4R3-S8, 23.2R2-S3, 23.4R2