#VU54990 Resource exhaustion in Juniper Junos OS - CVE-2021-0285
Published: July 19, 2021
Vulnerability identifier: #VU54990
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-0285
CWE-ID: CWE-400
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 perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing a large amounts of legitimate traffic destined to the device. A remote attacker cause Interchassis Control Protocol (ICCP) interruptions leading to an unstable control connection between the MC-LAG nodes which can in turn lead to traffic loss.
The vulnerability affects QFX 5000 Series.
Remediation
Install updates from vendor's website.