01 Record

CVE-2025-21598

Junos OS and Junos OS Evolved: When BGP traceoptions are configured, receipt of malformed BGP packets causes RPD to crash

HighPUBLISHEDCNA: juniper

CNA base score8.2 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Amber

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02 Description

Junos OS and Junos OS Evolved: When BGP traceoptions are configured, receipt of malformed BGP packets causes RPD to crash

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.5% of scored records. A rank, not a probability.

NVD base score

8.2 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:Amber

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2025-01-09 18:16Z1 YR AGO

Last updated

2025-01-09 20:15Z1 YR AGO

Reserved

2024-12-26

Assigning CNA

juniper

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Amber

Weaknesses

CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

c2e546feb5e82968a6a38774ebd4917bf0343ee317b9e83b45edaf1ed5216378

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS21.2R3-S8 to < 21.2R3-S9, 21.4R3-S7 to < 21.4R3-S9, 22.2R3-S4 to < 22.2R3-S5, 22.3R3-S2 to < 22.3R3-S4, 22.4R3 to < 22.4R3-S5, 23.2R2 to < 23.2R2-S2, 23.4R1 to < 23.4R2-S1, 24.2R1 to < 24.2R1-S1, 24.2R2—

Juniper NetworksJunos OS Evolved21.4R3-S7-EVO to < 21.4R3-S9-EVO, 22.2R3-S4-EVO to < 22.2R3-S5-EVO, 22.3R3-S2-EVO to < 22.3R3-S4-EVO, 22.4R3-EVO to < 22.4R3-S5-EVO, 23.2R2-EVO to < 23.2R2-S2-EVO, 23.4R1-EVO to < 23.4R2-S1-EVO, 24.2R1-EVO to < 24.2R1-S2-EVO, 24.2R2-EVO—

06 References

supportportal.juniper.nethttps://supportportal.juniper.net/JSA92867vendor-advisory
www.juniper.nethttps://www.juniper.net/documentation/us/en/software/junos/cli-reference/topics/ref/statement/traceoptions-edit-protocols-bgp.htmlrelated

07 Remediation

The following software releases have been updated to resolve this specific issue: Junos OS: 21.2R3-S9, 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S5, 23.2R2-S2, 23.4R2-S1, 24.2R1-S1, 24.2R2, 24.4R1, and all subsequent releases. Junos OS Evolved: 21.4R3-S9-EVO, 22.2R3-S5-EVO, 22.3R3-S4-EVO, 22.4R3-S5-EVO, 23.2R2-S2-EVO, 23.4R2-S1-EVO, 24.2R1-S2-EVO, 24.2R2-EVO, 24.4R1-EVO, and all subsequent releases.