CVE-2024-39541

MEDIUM

Juniper Junos - Improper Exception Handling

Title source: rule

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 to cause a Denial-of-Service (DoS). When conflicting information (IP or ISO addresses) about a node is added to the Traffic Engineering (TE) database and then a subsequent operation attempts to process these, rpd will crash and restart. This issue affects: Junos OS: * 22.4 versions before 22.4R3-S1, * 23.2 versions before 23.2R2,  * 23.4 versions before 23.4R1-S1, 23.4R2,  This issue does not affect Junos OS versions earlier than 22.4R1. Junos OS Evolved: * 22.4-EVO versions before 22.4R3-S2-EVO, * 23.2-EVO versions before 23.2R2-EVO, * 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO, This issue does not affect Junos OS Evolved versions earlier than before 22.4R1.

Scores

CVSS v3 6.5
EPSS 0.0015
EPSS Percentile 35.2%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-755
Status published

Affected Products (31)

juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
juniper/junos
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juniper/junos
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... and 16 more

Timeline

Published Jul 11, 2024
Tracked Since Feb 18, 2026