Buffer overflow in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2021-1466
Published: March 4, 2021
Vulnerability identifier: #VU51231
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1466
CWE-ID: CWE-119
Exploitation vector: Remote access
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 a boundary error in the vDaemon service. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.
Affected software
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
How to mitigate CVE-2021-1466
Install updates from vendor's website.
Catalyst SD-WAN Manager (formerly SD-WAN vManage) - addressed in versions 18.4.5, 19.2.3, 20.1.12, 20.3.1, 20.4.1