Cisco Releases Security Updates for Multiple Products

Original release date: November 4, 2021

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.

CISA encourages users and administrators to review the following Cisco advisories and apply the necessary updates:

• Cisco Policy Suite Static SSH Keys Vulnerability cisco-sa-cps-static-key-JmS92hNv
• Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities cisco-sa-catpon-multivulns-CE3DSYGr
• Cisco Small Business Series Switches Session Credentials Replay Vulnerability cisco-sa-smb-switches-tokens-UzwpR4e5
• Cisco Email Security Appliance Denial of Service Vulnerability cisco-sa-esa-dos-JOm9ETfO

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