Race condition in Junos OS - CVE-2024-21601
Published: January 12, 2024
Vulnerability identifier: #VU85334
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-2024-21601
CWE-ID: CWE-362
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 a race condition in the Flow-processing Daemon (flowd). A remote attacker can send specially crafted TCP packets to the device and perform a denial of service attack.
Affected software
Junos OS
How to mitigate CVE-2024-21601
Install updates from vendor's website.
Junos OS - addressed in versions 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3