Exposure of resource to wrong sphere in Juniper Junos OS - CVE-2024-21597
Published: January 10, 2024
Vulnerability identifier: #VU85279
CSH Severity: Medium
CVSS v4.0: 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-2024-21597
CWE-ID: CWE-668
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS
Juniper Junos OS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The vulnerability exists due to exposure of resource to wrong sphere error in the Packet Forwarding Engine (PFE). A remote non-authenticated attacker can bypass the intended access restrictions.
In an Abstracted Fabric (AF) scenario if routing-instances (RI) are configured, specific valid traffic destined to the device can bypass the configured lo0 firewall filters as it's received in the wrong RI context.
How to mitigate CVE-2024-21597
Install updates from vendor's website.