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

Remediation advice

Affected organisations are encouraged to review the following Cisco Security Advisories to identify vulnerable products and versions, and apply the necessary updates or workarounds.

Remediation steps

Type	Step
Patch	Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO
Patch	Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-ipv6-dos-NMYeCnZv
Patch	Lasso SAML Implementation Vulnerability Affecting Cisco Products: June 2021 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lasso-saml-jun2021-DOXNRLkD
Patch	Cisco AnyConnect Secure Mobility Client for Linux and Mac OS with VPN Posture (HostScan) Module Shared Library Hijacking Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-lib-hija-cAFB7x4q
Patch	Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-A4J57F3
Patch	Cisco Identity Services Engine Privilege Escalation Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-priv-esc-UwqPrBM3
Patch	Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb220-lldp-multivuls-mVRUtQ8T
Patch	Cisco Intersight Virtual Appliance Command Injection Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-command-inject-CGyC8y2R
Patch	Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-dos-fmHdKswk

Last edited: 18 October 2021 10:55 am