Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit these vulnerabilities to take control of an affected system.

Users are advised to review the following Cisco advisories and apply the necessary updates:

Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability – CVE-2021-1577;

Cisco NX-OS Software Denial of Service vulnerabilities – CVE-2021-1587, CVE-2021-1588;

Cisco Nexus 9000 Series Fabric Switches Denial of Service vulnerabilities – CVE-2021-1586, CVE-2021-1523;

Cisco Application Policy Infrastructure Controller Privilege Escalation vulnerabilities -CVE-2021-1578 , CVE-2021-1579.