Improper check for unusual or exceptional conditions in Junos OS Evolved and Junos OS - CVE-2024-30409
Published: April 10, 2024
Vulnerability identifier: #VU88438
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-30409
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to >an improper check for unusual or exceptional conditions error in the Layer 2 Address Learning Daemon (l2ald). A remote non-authenticated attacker can cause the forwarding information base telemetry daemon (fibtd) to crash, leading to a limited Denial of Service.
Affected software
Junos OS Evolved
Junos OS
Junos OS
How to mitigate CVE-2024-30409
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 22.1R1-S2-EVO, 22.1R2-EVO, 22.2R1-EVO, 22.2R2-EVO, 22.3R1-EVO, 22.4R1-EVO
Junos OS - addressed in versions 22.1R1-S2, 22.1R2, 22.2R1, 22.2R2, 22.3R1, 22.4R1
Junos OS - addressed in versions 22.1R1-S2, 22.1R2, 22.2R1, 22.2R2, 22.3R1, 22.4R1