Buffer overflow in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2021-1479
Published: April 8, 2021
Vulnerability identifier: #VU51977
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1479
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in a remote management component. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
How to mitigate CVE-2021-1479
Install updates from vendor's website.
Catalyst SD-WAN Manager (formerly SD-WAN vManage) - addressed in versions 19.2.4, 20.3.3, 20.4.1