#VU94348 Improper check for unusual or exceptional conditions in Juniper Junos OS - CVE-2024-39561

 

#VU94348 Improper check for unusual or exceptional conditions in Juniper Junos OS - CVE-2024-39561

Published: July 15, 2024


Vulnerability identifier: #VU94348
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-39561
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to bypass implemented security restrictions.

The vulnerability exists due to improper check for unusual or exceptional conditions error in the flow daemon (flowd). A remote non-authenticated attacker can send TCP packets with SYN/FIN or SYN/RST flags, bypassing the expected blocking of these packets.


Remediation

Install updates from vendor's website.

External links