Input validation error in Junos OS and Junos OS Evolved - CVE-2022-22214
Published: October 26, 2023
Vulnerability identifier: #VU82509
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-2022-22214
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 on the local network can send specially crafted transit IPv6 packet over MPLS and perform a denial of service (DoS) attack.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2022-22214
Install updates from vendor's website.
Junos OS - addressed in versions 12.3R12-S21, 15.1R7-S10, 17.3R3-S12, 18.3R3-S6, 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S7, 19.2R3-S3, 19.3R2-S7, 19.3R3-S4, 19.4R3-S5, 20.1R3, 20.2R3-S2, 20.3R3, 20.4R2-S2, 20.4R3, 21.1R2, 21.2R1
Junos OS Evolved - addressed in versions 20.4R3-S3-EVO, 21.2R3-EVO, 21.3R2-S1-EVO, 21.3R3-EVO, 21.4R2-EVO, 22.1R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S3-EVO, 21.2R3-EVO, 21.3R2-S1-EVO, 21.3R3-EVO, 21.4R2-EVO, 22.1R1-EVO