CVE Vulnerabilities

CVE-2025-21602

Improper Handling of Exceptional Conditions

Published: Jan 09, 2025 | Modified: Jan 26, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a specific BGP update packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS).

Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.

This issue affects iBGP and eBGP, and both IPv4 and IPv6 are affected by this vulnerability.

This issue affects Junos OS: 

  • from 21.4 before 21.4R3-S9, 
  • from 22.2 before 22.2R3-S5, 
  • from 22.3 before 22.3R3-S4,
  • from 22.4 before 22.4R3-S5, 
  • from 23.2 before 23.2R2-S3, 
  • from 23.4 before 23.4R2-S3, 
  • from 24.2 before 24.2R1-S2, 24.2R2; 

This issue does not affect versions prior to 21.1R1.

Junos OS Evolved: 

  • from 21.4 before 21.4R3-S9-EVO, 
  • from 22.2 before 22.2R3-S5-EVO, 
  • from 22.3 before 22.3R3-S4-EVO,
  • from 22.4 before 22.4R3-S5-EVO, 
  • from 23.2 before 23.2R2-S3-EVO, 
  • from 23.4 before 23.4R2-S3-EVO, 
  • from 24.2 before 24.2R1-S2-EVO, 24.2R2-EVO.

This issue does not affect versions prior to 21.1R1-EVO

Weakness

The product does not handle or incorrectly handles an exceptional condition.

Affected Software

NameVendorStart VersionEnd Version
JunosJuniper21.2 (including)21.2 (including)
JunosJuniper21.2-r1 (including)21.2-r1 (including)
JunosJuniper21.2-r1-s1 (including)21.2-r1-s1 (including)
JunosJuniper21.2-r1-s2 (including)21.2-r1-s2 (including)
JunosJuniper21.2-r2 (including)21.2-r2 (including)
JunosJuniper21.2-r2-s1 (including)21.2-r2-s1 (including)
JunosJuniper21.2-r2-s2 (including)21.2-r2-s2 (including)
JunosJuniper21.2-r3 (including)21.2-r3 (including)
JunosJuniper21.2-r3-s1 (including)21.2-r3-s1 (including)
JunosJuniper21.2-r3-s2 (including)21.2-r3-s2 (including)
JunosJuniper21.2-r3-s3 (including)21.2-r3-s3 (including)
JunosJuniper21.2-r3-s4 (including)21.2-r3-s4 (including)
JunosJuniper21.2-r3-s5 (including)21.2-r3-s5 (including)
JunosJuniper21.2-r3-s6 (including)21.2-r3-s6 (including)
JunosJuniper21.2-r3-s7 (including)21.2-r3-s7 (including)
JunosJuniper21.2-r3-s8 (including)21.2-r3-s8 (including)
JunosJuniper21.4 (including)21.4 (including)
JunosJuniper21.4-r1 (including)21.4-r1 (including)
JunosJuniper21.4-r1-s1 (including)21.4-r1-s1 (including)
JunosJuniper21.4-r1-s2 (including)21.4-r1-s2 (including)
JunosJuniper21.4-r2 (including)21.4-r2 (including)
JunosJuniper21.4-r2-s1 (including)21.4-r2-s1 (including)
JunosJuniper21.4-r2-s2 (including)21.4-r2-s2 (including)
JunosJuniper21.4-r3 (including)21.4-r3 (including)
JunosJuniper21.4-r3-s1 (including)21.4-r3-s1 (including)
JunosJuniper21.4-r3-s2 (including)21.4-r3-s2 (including)
JunosJuniper21.4-r3-s3 (including)21.4-r3-s3 (including)
JunosJuniper21.4-r3-s4 (including)21.4-r3-s4 (including)
JunosJuniper21.4-r3-s5 (including)21.4-r3-s5 (including)
JunosJuniper21.4-r3-s6 (including)21.4-r3-s6 (including)
JunosJuniper21.4-r3-s7 (including)21.4-r3-s7 (including)
JunosJuniper21.4-r3-s8 (including)21.4-r3-s8 (including)
JunosJuniper22.2 (including)22.2 (including)
JunosJuniper22.2-r1 (including)22.2-r1 (including)
JunosJuniper22.2-r1-s1 (including)22.2-r1-s1 (including)
JunosJuniper22.2-r1-s2 (including)22.2-r1-s2 (including)
JunosJuniper22.2-r2 (including)22.2-r2 (including)
JunosJuniper22.2-r2-s1 (including)22.2-r2-s1 (including)
JunosJuniper22.2-r2-s2 (including)22.2-r2-s2 (including)
JunosJuniper22.2-r3 (including)22.2-r3 (including)
JunosJuniper22.2-r3-s1 (including)22.2-r3-s1 (including)
JunosJuniper22.2-r3-s2 (including)22.2-r3-s2 (including)
JunosJuniper22.2-r3-s3 (including)22.2-r3-s3 (including)
JunosJuniper22.2-r3-s4 (including)22.2-r3-s4 (including)
JunosJuniper22.3 (including)22.3 (including)
JunosJuniper22.3-r1 (including)22.3-r1 (including)
JunosJuniper22.3-r1-s1 (including)22.3-r1-s1 (including)
JunosJuniper22.3-r1-s2 (including)22.3-r1-s2 (including)
JunosJuniper22.3-r2 (including)22.3-r2 (including)
JunosJuniper22.3-r2-s1 (including)22.3-r2-s1 (including)
JunosJuniper22.3-r2-s2 (including)22.3-r2-s2 (including)
JunosJuniper22.3-r3 (including)22.3-r3 (including)
JunosJuniper22.3-r3-s1 (including)22.3-r3-s1 (including)
JunosJuniper22.3-r3-s2 (including)22.3-r3-s2 (including)
JunosJuniper22.3-r3-s3 (including)22.3-r3-s3 (including)
JunosJuniper22.4 (including)22.4 (including)
JunosJuniper22.4-r1 (including)22.4-r1 (including)
JunosJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
JunosJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
JunosJuniper22.4-r2 (including)22.4-r2 (including)
JunosJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
JunosJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
JunosJuniper22.4-r3 (including)22.4-r3 (including)
JunosJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
JunosJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
JunosJuniper22.4-r3-s3 (including)22.4-r3-s3 (including)
JunosJuniper22.4-r3-s4 (including)22.4-r3-s4 (including)
JunosJuniper23.2 (including)23.2 (including)
JunosJuniper23.2-r1 (including)23.2-r1 (including)
JunosJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
JunosJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
JunosJuniper23.2-r2 (including)23.2-r2 (including)
JunosJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
JunosJuniper23.2-r2-s2 (including)23.2-r2-s2 (including)
JunosJuniper23.4 (including)23.4 (including)
JunosJuniper23.4-r1 (including)23.4-r1 (including)
JunosJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
JunosJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)
JunosJuniper23.4-r2 (including)23.4-r2 (including)
JunosJuniper23.4-r2-s1 (including)23.4-r2-s1 (including)
JunosJuniper23.4-r2-s2 (including)23.4-r2-s2 (including)
JunosJuniper24.2 (including)24.2 (including)
JunosJuniper24.2-r1 (including)24.2-r1 (including)
JunosJuniper24.2-r1-s1 (including)24.2-r1-s1 (including)
JunosJuniper24.2-r2 (including)24.2-r2 (including)
Junos_os_evolvedJuniper21.2 (including)21.2 (including)
Junos_os_evolvedJuniper21.2-r1 (including)21.2-r1 (including)
Junos_os_evolvedJuniper21.2-r1-s1 (including)21.2-r1-s1 (including)
Junos_os_evolvedJuniper21.2-r1-s2 (including)21.2-r1-s2 (including)
Junos_os_evolvedJuniper21.2-r2 (including)21.2-r2 (including)
Junos_os_evolvedJuniper21.2-r2-s1 (including)21.2-r2-s1 (including)
Junos_os_evolvedJuniper21.2-r2-s2 (including)21.2-r2-s2 (including)
Junos_os_evolvedJuniper21.2-r3 (including)21.2-r3 (including)
Junos_os_evolvedJuniper21.2-r3-s1 (including)21.2-r3-s1 (including)
Junos_os_evolvedJuniper21.2-r3-s2 (including)21.2-r3-s2 (including)
Junos_os_evolvedJuniper21.2-r3-s3 (including)21.2-r3-s3 (including)
Junos_os_evolvedJuniper21.2-r3-s4 (including)21.2-r3-s4 (including)
Junos_os_evolvedJuniper21.2-r3-s5 (including)21.2-r3-s5 (including)
Junos_os_evolvedJuniper21.2-r3-s6 (including)21.2-r3-s6 (including)
Junos_os_evolvedJuniper21.2-r3-s7 (including)21.2-r3-s7 (including)
Junos_os_evolvedJuniper21.2-r3-s8 (including)21.2-r3-s8 (including)
Junos_os_evolvedJuniper21.4 (including)21.4 (including)
Junos_os_evolvedJuniper21.4-r1 (including)21.4-r1 (including)
Junos_os_evolvedJuniper21.4-r1-s1 (including)21.4-r1-s1 (including)
Junos_os_evolvedJuniper21.4-r1-s2 (including)21.4-r1-s2 (including)
Junos_os_evolvedJuniper21.4-r2 (including)21.4-r2 (including)
Junos_os_evolvedJuniper21.4-r2-s1 (including)21.4-r2-s1 (including)
Junos_os_evolvedJuniper21.4-r2-s2 (including)21.4-r2-s2 (including)
Junos_os_evolvedJuniper21.4-r3 (including)21.4-r3 (including)
Junos_os_evolvedJuniper21.4-r3-s1 (including)21.4-r3-s1 (including)
Junos_os_evolvedJuniper21.4-r3-s2 (including)21.4-r3-s2 (including)
Junos_os_evolvedJuniper21.4-r3-s3 (including)21.4-r3-s3 (including)
Junos_os_evolvedJuniper21.4-r3-s4 (including)21.4-r3-s4 (including)
Junos_os_evolvedJuniper21.4-r3-s5 (including)21.4-r3-s5 (including)
Junos_os_evolvedJuniper21.4-r3-s6 (including)21.4-r3-s6 (including)
Junos_os_evolvedJuniper21.4-r3-s7 (including)21.4-r3-s7 (including)
Junos_os_evolvedJuniper21.4-r3-s8 (including)21.4-r3-s8 (including)
Junos_os_evolvedJuniper22.2 (including)22.2 (including)
Junos_os_evolvedJuniper22.2-r1 (including)22.2-r1 (including)
Junos_os_evolvedJuniper22.2-r1-s1 (including)22.2-r1-s1 (including)
Junos_os_evolvedJuniper22.2-r1-s2 (including)22.2-r1-s2 (including)
Junos_os_evolvedJuniper22.2-r2 (including)22.2-r2 (including)
Junos_os_evolvedJuniper22.2-r2-s1 (including)22.2-r2-s1 (including)
Junos_os_evolvedJuniper22.2-r2-s2 (including)22.2-r2-s2 (including)
Junos_os_evolvedJuniper22.2-r3 (including)22.2-r3 (including)
Junos_os_evolvedJuniper22.2-r3-s1 (including)22.2-r3-s1 (including)
Junos_os_evolvedJuniper22.2-r3-s2 (including)22.2-r3-s2 (including)
Junos_os_evolvedJuniper22.2-r3-s3 (including)22.2-r3-s3 (including)
Junos_os_evolvedJuniper22.2-r3-s4 (including)22.2-r3-s4 (including)
Junos_os_evolvedJuniper22.3 (including)22.3 (including)
Junos_os_evolvedJuniper22.3-r1 (including)22.3-r1 (including)
Junos_os_evolvedJuniper22.3-r1-s1 (including)22.3-r1-s1 (including)
Junos_os_evolvedJuniper22.3-r1-s2 (including)22.3-r1-s2 (including)
Junos_os_evolvedJuniper22.3-r2 (including)22.3-r2 (including)
Junos_os_evolvedJuniper22.3-r2-s1 (including)22.3-r2-s1 (including)
Junos_os_evolvedJuniper22.3-r2-s2 (including)22.3-r2-s2 (including)
Junos_os_evolvedJuniper22.3-r3 (including)22.3-r3 (including)
Junos_os_evolvedJuniper22.3-r3-s1 (including)22.3-r3-s1 (including)
Junos_os_evolvedJuniper22.3-r3-s2 (including)22.3-r3-s2 (including)
Junos_os_evolvedJuniper22.3-r3-s3 (including)22.3-r3-s3 (including)
Junos_os_evolvedJuniper22.4 (including)22.4 (including)
Junos_os_evolvedJuniper22.4-r1 (including)22.4-r1 (including)
Junos_os_evolvedJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
Junos_os_evolvedJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
Junos_os_evolvedJuniper22.4-r2 (including)22.4-r2 (including)
Junos_os_evolvedJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
Junos_os_evolvedJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
Junos_os_evolvedJuniper22.4-r3 (including)22.4-r3 (including)
Junos_os_evolvedJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
Junos_os_evolvedJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
Junos_os_evolvedJuniper22.4-r3-s3 (including)22.4-r3-s3 (including)
Junos_os_evolvedJuniper22.4-r3-s4 (including)22.4-r3-s4 (including)
Junos_os_evolvedJuniper23.2 (including)23.2 (including)
Junos_os_evolvedJuniper23.2-r1 (including)23.2-r1 (including)
Junos_os_evolvedJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
Junos_os_evolvedJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
Junos_os_evolvedJuniper23.2-r2 (including)23.2-r2 (including)
Junos_os_evolvedJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
Junos_os_evolvedJuniper23.2-r2-s2 (including)23.2-r2-s2 (including)
Junos_os_evolvedJuniper23.4 (including)23.4 (including)
Junos_os_evolvedJuniper23.4-r1 (including)23.4-r1 (including)
Junos_os_evolvedJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
Junos_os_evolvedJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)
Junos_os_evolvedJuniper23.4-r2 (including)23.4-r2 (including)
Junos_os_evolvedJuniper23.4-r2-s1 (including)23.4-r2-s1 (including)
Junos_os_evolvedJuniper23.4-r2-s2 (including)23.4-r2-s2 (including)
Junos_os_evolvedJuniper24.2 (including)24.2 (including)
Junos_os_evolvedJuniper24.2-r1 (including)24.2-r1 (including)
Junos_os_evolvedJuniper24.2-r2 (including)24.2-r2 (including)

References