Improper Handling of Exceptional Conditions in Junos OS - CVE-2022-22202
Published: July 18, 2022
Vulnerability identifier: #VU65402
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22202
CWE-ID: CWE-755
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a DoS attack.
The vulnerability exists due to improper error handling when processing MPLS packets. A remote attacker on the local network can send specially crafted MPLS packets to the affected device and perform a denial of service attack by crashing the dcpfe process.
Affected software
Junos OS
How to mitigate CVE-2022-22202
Install updates from vendor's website.
Junos OS - addressed in versions 19.1R3-S9, 19.2R3-S6, 19.3R3-S6, 19.4R3-S8, 20.1R3-S4, 20.2R3-S5, 20.3R3-S4, 20.4R3-S4, 21.1R3-S2, 21.2R3-S1, 21.3R3, 21.4R2, 22.1R2, 22.2R1