#VU52949 Buffer overflow in Cisco Video Surveillance 8000 Series IP Cameras

Published: 2021-05-06

Vulnerability identifier: #VU52949

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1521


Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Cisco Video Surveillance 8000 Series IP Cameras
Hardware solutions / Security hardware applicances



The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the Cisco Discovery Protocol implementation. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Install updates from vendor's website.

Vulnerable software versions

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

Latest bulletins with this vulnerability