Improper locking in Junos OS - CVE-2022-22175
Published: January 12, 2022
Vulnerability identifier: #VU59562
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-2022-22175
CWE-ID: CWE-667
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service attack (DoS).
The vulnerability exists due to improper locking in the SIP ALG of Juniper Networks Junos OS on MX Series and SRX Series. An non-authenticated attacker can send specially crafted traffic to the system to cause a flowprocessing daemon (flowd) crash.
Affected software
Junos OS
How to mitigate CVE-2022-22175
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S1, 21.1R2-S2, 21.1R3, 21.2R1-S2, 21.2R2, 21.3R1-S1, 21.3R2, 21.4R1