Software EOL

Cisco Email Security Appliance (ESA) / Cisco Secure Email Gateway

AsyncOSEnd-of-Life Announcement DateLast Date of Support: SW
AsyncOS 9.1.x for the Cisco Email Security Appliance December 20, 2016 February 28, 2018
AsyncOS 9.5.x for the Cisco Email Security Appliance December 20, 2016 October 31, 2018
AsyncOS 9.6.x for the Cisco Email Security Appliance December 20, 2016 October 31, 2018
AsyncOS 9.7.x for the Cisco Email Security Appliance December 20, 2016 October 31, 2018
AsyncOS 9.8.x for the Cisco Email Security Appliance March 20, 2019 December 31, 2020
AsyncOS 10.x.x for the Cisco Email Security Appliance December 15, 2017 March 31, 2021
AsyncOS 11.0.x for the Cisco Email Security Appliance May 1, 2020 October 31, 2023
AsyncOS 11.1.x for the Cisco Email Security Appliance May 1, 2020 October 31, 2023
AsyncOS 12.0 for the Cisco Email Security Appliance May 1, 2020 October 31, 2023
AsyncOS 12.1 for the Cisco Email Security Appliance May 1, 2020 October 31, 2023
AsyncOS 12.5 for the Cisco Email Security Appliance May 1, 2020 October 31, 2023
AsyncOS 13.5.x for the Cisco Email Security Appliance April 1, 2022 September 30, 2025
AsyncOS 13.7 for the Cisco Email Security Appliance April 1, 2022 September 30, 2025
     

 

Cisco Content Security Management Appliance (SMA) / Cisco Secure Email and Web Manager

AsyncOSEnd-of-Life Announcement DateLast Date of Support: SW
AsyncOS 9.0.x for the Cisco Content Security Management Appliance August 1, 2016 September 30, 2017
AsyncOS 9.1.x for the Cisco Content Security Management Appliance August 1, 2016 September 30, 2017
AsyncOS 9.5.x for the Cisco Content Security Management Appliance December 20, 2016 October 31, 2018
AsyncOS 10.0.x for the Cisco Content Security Management Appliance December 15, 2017 March 31, 2021
AsyncOS 10.1.x for the Cisco Content Security Management Appliance December 15, 2017 March 31, 2021
AsyncOS 11.0.x for the Cisco Content Security Management Appliance May 1, 2020 October 31, 2023
AsyncOS 11.5.x for the Cisco Content Security Management Appliance May 1, 2020 October 31, 2023
AsyncOS 12.0 for the Cisco Content Security Management Appliance May 1, 2020 October 31, 2023
AsyncOS 12.5 for the Cisco Content Security Management Appliance May 1, 2020 October 31, 2023
AsyncOS 13.0.x for the Cisco Content Security Management Appliance April 1, 2022 September 30, 2025
AsyncOS 13.5.x for the Cisco Content Security Management Appliance April 1, 2022 September 30, 2025
AsyncOS 13.6.x for the Cisco Content Security Management Appliance April 1, 2022 September 30, 2025
     


Note:
[End-of-Life and End-of-Sale Notices]
https://www.cisco.com/c/en/us/products/security/email-security-appliance/eos-eol-notice-listing.html
https://www.cisco.com/c/en/us/products/security/content-security-management-appliance/eos-eol-notice-listing.html