Improper Check for Unusual or Exceptional Conditions in Junos OS - CVE-2024-21586

 

Improper Check for Unusual or Exceptional Conditions in Junos OS - CVE-2024-21586

Published: July 1, 2024


Vulnerability identifier: #VU93561
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-2024-21586
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling in the Packet Forwarding Engine (PFE). A remote attacker can send specially crafted packets to the device and perform a denial of service (DoS) attack.


Affected software

Junos OS

How to mitigate CVE-2024-21586

Install updates from vendor's website.

Junos OS - addressed in versions 21.4R3-S7.9, 22.1R3-S5.3, 22.2R3-S4.11, 22.3R3, 22.4R3, 23.2R1

External References

Related Security Bulletins