6.1
CVSSv2

CVE-2021-1521

Published: 06/05/2021 Updated: 17/05/2021
CVSS v2 Base Score: 6.1 | Impact Score: 6.9 | Exploitability Score: 6.5
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

A vulnerability in the Cisco Discovery Protocol implementation for Cisco Video Surveillance 8000 Series IP Cameras could allow an unauthenticated, adjacent malicious user to cause an affected IP camera to reload. This vulnerability is due to missing checks when processing Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected IP camera. A successful exploit could allow the malicious user to cause the affected IP camera to reload unexpectedly, resulting in a denial of service (DoS) condition. Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).

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cisco video_surveillance_8400_firmware

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cisco video_surveillance_8930_firmware

Vendor Advisories

A vulnerability in the Cisco Discovery Protocol implementation for Cisco Video Surveillance 8000 Series IP Cameras could allow an unauthenticated, adjacent attacker to cause an affected IP camera to reload This vulnerability is due to missing checks when processing Cisco Discovery Protocol messages An attacker could exploit this vulnerability ...