Resource exhaustion in Junos OS Evolved - CVE-2023-22400
Published: October 4, 2023
Vulnerability identifier: #VU81492
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-2023-22400
CWE-ID: CWE-400
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 improperly controlled consumption of internal resources in the PFE management daemon (evo-pfemand) when a specific SNMP GET operation or a specific CLI command is executed. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2023-22400
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 20.4R3-S3-EVO, 21.2R3-S4-EVO, 21.4R2-EVO, 22.1R1-EVO