#VU47666 Race condition in Juniper Junos OS - CVE-2020-1667
Published: October 15, 2020
Vulnerability identifier: #VU47666
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-1667
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a race condition when DNS filtering is enabled with one of the following cards MS-PIC, MS-MIC or MS-MPC. A remote attacker can exploit the race, cause a deial of service (DoS) condition and escalate privileges on the system.
Remediation
Install updates from vendor's website.