Input validation error in Junos OS - CVE-2022-22201
Published: October 12, 2022
Vulnerability identifier: #VU68275
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-2022-22201
CWE-ID: CWE-20
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 insufficient validation of user-supplied input in the Packet Forwarding Engine (PFE). A remote attacker can send specially crafted ESP packets to the device and perform a denial of service (DoS) attack.
The vulnerability affects Juniper Networks Junos OS on SRX5000 Series with SPC3, SRX4000 Series, and vSRX when PowerMode IPsec is configured and a malformed ESP packet matching an established IPsec tunnel is received.
Affected software
Junos OS
How to mitigate CVE-2022-22201
Install updates from vendor's website.
Junos OS - addressed in versions 19.4R2-S6, 19.4R3-S7, 20.1R3-S3, 20.2R3-S4, 20.3R3-S3, 20.4R3-S2, 21.1R3, 21.2R3, 21.3R1-S2, 21.3R2, 21.4R1