SB2021070812 - Multiple vulnerabilities in Cisco Video Surveillance 7000 Series IP Cameras



SB2021070812 - Multiple vulnerabilities in Cisco Video Surveillance 7000 Series IP Cameras

Published: July 8, 2021

Security Bulletin ID SB2021070812
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Memory leak (CVE-ID: CVE-2021-1595)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the Link Layer Discovery Protocol (LLDP) implementation. A remote attacker on the local network can send specially crafted LLDP packets and perform denial of service attack.


2) Memory leak (CVE-ID: CVE-2021-1596)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the Link Layer Discovery Protocol (LLDP) implementation. A remote attacker on the local network can send specially crafted LLDP packets and perform denial of service attack.


3) Memory leak (CVE-ID: CVE-2021-1597)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the Link Layer Discovery Protocol (LLDP) implementation. A remote attacker on the local network can send specially crafted LLDP packets and perform denial of service attack.


4) Memory leak (CVE-ID: CVE-2021-1598)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the Link Layer Discovery Protocol (LLDP) implementation. A remote attacker on the local network can send specially crafted LLDP packets and perform denial of service attack.


Remediation

Install update from vendor's website.