#VU51977 Buffer overflow

Published: 2021-04-08

Vulnerability identifier: #VU51977

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1479


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco SD-WAN vManage
Other software / Other software solutions

Vendor: Cisco Systems, Inc


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.

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 18.4, 19.2, 19.3, 20.1, 20.3.0, 20.4.0


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability