Input validation error in Junos OS Evolved - CVE-2021-0226
Published: April 16, 2021
Vulnerability identifier: #VU52308
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-0226
CWE-ID: CWE-20
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 insufficient validation of user-supplied input in the IPv6 BGP session. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2021-0226
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 19.4R2-S3-EVO, 20.1R2-S3-EVO, 20.2R2-S1-EVO, 20.3R2-EVO, 20.4R1-EVO