PT-2025-15855 · Juniper Networks · Junos

Published

2025-04-09

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Updated

2025-04-10

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CVE-2025-30647

CVSS v4.0

7.1

High

VectorAV:A/AC:L/AT:N/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:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S9 Junos OS versions 21.4 through 21.4R3-S10 Junos OS versions 22.2 through 22.2R3-S6 Junos OS versions 22.4 through 22.4R3-S5 Junos OS versions 23.2 through 23.2R2-S3 Junos OS versions 23.4 through 23.4R2-S3 Junos OS versions 24.2 through 24.2R2
Description: A Missing Release of Memory after Effective Lifetime issue in the packet forwarding engine of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service. In a subscriber management scenario, login/logout activity triggers a memory leak, and the leaked memory gradually increments and eventually results in a crash.
Recommendations: For versions prior to 21.2R3-S9, update to 21.2R3-S9 or later. For versions 21.4 through 21.4R3-S10, update to 21.4R3-S10 or later. For versions 22.2 through 22.2R3-S6, update to 22.2R3-S6 or later. For versions 22.4 through 22.4R3-S5, update to 22.4R3-S5 or later. For versions 23.2 through 23.2R2-S3, update to 23.2R2-S3 or later. For versions 23.4 through 23.4R2-S3, update to 23.4R2-S3 or later. For versions 24.2 through 24.2R2, update to 24.2R2 or later.

Fix

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2025-04792
CVE-2025-30647

Affected Products

Junos