Resource exhaustion in Junos OS Evolved - CVE-2021-0292
Published: July 15, 2021
Vulnerability identifier: #VU54912
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-0292
CWE-ID: CWE-400
Exploitation vector: Adjecent network
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 application does not properly control consumption of internal resources in the ARP daemon (arpd) and Network Discovery Protocol (ndp) process. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2021-0292
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 19.4R2-S3-EVO, 20.1R2-S4-EVO, 20.3R1-EVO