Software EOL
Cisco Email Security Appliance (ESA) / Cisco Secure Email Gateway
| AsyncOS | End-of-Life Announcement Date | Last Date of Support: SW |
|---|---|---|
| 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 |
| AsyncOS 14.0.x for the Cisco Email Security Appliance | September 30, 2022 | March 31, 2025 |
| AsyncOS 13.0.x for the Cisco Email Security Appliance | October 18, 2023 | April 30, 2026 |
| AsyncOS 14.2.x for the Cisco Email Security Appliance | October 18, 2023 | April 30, 2026 |
Cisco Content Security Management Appliance (SMA) / Cisco Secure Email and Web Manager
| AsyncOS | End-of-Life Announcement Date | Last Date of Support: SW |
|---|---|---|
| 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 |
| AsyncOS 14.0 for the Cisco Content Security Management Appliance | September 30, 2022 | March 31, 2025 |
| AsyncOS 14.1 for the Cisco Content Security Management Appliance | September 30, 2022 | March 31, 2025 |
| AsyncOS 14.2.x for the Cisco Content Security Management Appliance | October 18, 2023 | April 30, 2026 |
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
