Riskcovery

CVE-2025-21602

Junos OS and Junos OS Evolved: Receipt of specially crafted BGP update packet causes RPD crash

State
Published
Severity
7.1 High
Published
Jan 9, 2025
Updated
Jan 9, 2025
Reserved
Dec 26, 2024

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
4.07.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:N/R:A/V:C/RE:M/U:Greenjuniper
3.16.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-755 Improper Handling of Exceptional Conditions

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 21.4 to before 21.4R3-S9Affected
  • 22.2 to before 22.2R3-S5Affected
  • 22.3 to before 22.3R3-S4Affected
  • 22.4 to before 22.4R3-S5Affected
  • 23.2 to before 23.2R2-S3Affected
  • 23.4 to before 23.4R2-S3Affected
  • 24.2 to before 24.2R1-S2, 24.2R2Affected
  • before 21.3R1Not affected
Junos OS EvolvedJuniper Networks
  • 21.4 to before 21.4R3-S9-EVOAffected
  • 22.2 to before 22.2R3-S5-EVOAffected
  • 22.3 to before 22.3R3-S4-EVOAffected
  • 22.4 to before 22.4R3-S5-EVOAffected
  • 23.2 to before 23.2R2-S3-EVOAffected
  • 23.4 to before 23.4R2-S3-EVOAffected
  • 24.2 to before 24.2R1-S2-EVO, 24.2R2-EVOAffected
  • before 21.3R1-EVONot affected

References

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