#VU107433 Missing release of memory after effective lifetime in Junos OS Evolved and Juniper Junos OS - CVE-2025-21595
Published: April 14, 2025
Vulnerability identifier: #VU107433
Vulnerability risk: Medium
CVSSv4.0: 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
CVE-ID: CVE-2025-21595
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to missing release of memory after effective lifetime error in the Packet Forwarding Engine (PFE). A remote non-authenticated attacker can cause an FPC to crash, leading to Denial of Service (DoS).
Remediation
Install updates from vendor's website.