Improper Check for Unusual or Exceptional Conditions in Junos OS - CVE-2023-36835
Published: July 16, 2023
Vulnerability identifier: #VU78273
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-2023-36835
CWE-ID: CWE-754
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 improper error handling in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series. A remote attacker can send specially traffic to the system and perform a denial of service (DoS) attack.
Affected software
Junos OS
How to mitigate CVE-2023-36835
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S5, 21.1R3-S5, 21.2R3-S5, 21.3R3-S4, 21.4R3-S1, 22.1R3, 22.2R2, 22.3R1-S2, 22.3R2, 22.4R1