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CVE-2025-21602

Jan. 9, 2025, 5:15 p.m.

Tags

CWE-755
sirt@juniper.net
2025-01-09
CVE-2025-21602

CVSS Score

6.5 / 10

Product(s) Impacted

Junos OS

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

Junos OS Evolved

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

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

Weaknesses

CWE-755
Improper Handling of Exceptional Conditions

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

CWE ID: 755

Date

Published: Jan. 9, 2025, 5:15 p.m.

Last Modified: Jan. 9, 2025, 5:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

sirt@juniper.net

CVSS Data

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score
6.5
Exploitability Score
2.8
Impact Score
3.6
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://supportportal.juniper.net/ sirt@juniper.net