#VU102521 Improper control of a resource through its lifetime in Juniper Junos OS and Junos OS Evolved - CVE-2025-21593
Published: January 10, 2025
Vulnerability identifier: #VU102521
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-2025-21593
CWE-ID: CWE-664
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an improper control of a resource through its lifetime in the routing protocol daemon (rpd). A remote attacker can send a malformed BGP UPDATE packet to the affected device and perform a denial of service attack.
The vulnerability affects iBGP and eBGP, and both IPv4 and IPv6 protocols.
Remediation
Install updates from vendor's website.