Improper handling of exceptional conditions in Junos OS Evolved - CVE-2022-22227
Published: October 14, 2022
Vulnerability identifier: #VU68328
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-22227
CWE-ID: CWE-755
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved
Junos OS Evolved
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of errors in the Packet Forwarding Engine (PFE) when processing IPv6 transit traffic. A remote attacker can send specially crafted input through the device and cause increased CPU utilization, which can result in denial of service (DoS).
How to mitigate CVE-2022-22227
Install updates from vendor's website.