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Release Notes

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URL Reputation Verdict Name Changes

Announcement for URL Reputation Verdict Name Changes in Cisco Email Security Gateway 22/Nov/2019

Firmware Update Release Notes

Firmware Update for x95 Series Cisco Secure Email Gateway and Cisco Secure Email and Web Manager (PDF - 215 KB) 28/Jun/2024

File Reputation and File Analysis Updates

Announcement for Decommissioning Legacy File Reputation Servers for Cisco Email Security Gateway (PDF - 1 MB) 25/Sep/2020
Release Notes for File Reputation and File Analysis Updates for Cisco Secure Email Gateway and Cisco Secure Web Appliance (PDF - 112 KB) 28/Jun/2023

Software Lifecycle Support Statement

Cisco Secure Email Gateway Software Lifecycle Support Statement (PDF - 99 KB) 02/Oct/2024New

URL Category Updates

Release Notes for URL Category and Threat Category Updates for Cisco Web and Email Security Appliances (PDF - 1 MB) 28/Jan/2021

AsyncOS 16.x for Cisco Secure Email Gateway

Release Notes for AsyncOS 16.0 for Cisco Secure Email Gateway - GD (General Deployment) (PDF - 315 KB) 08/Nov/2024Updated

AsyncOS 15.x for Cisco Secure Email Gateway

Release Notes for AsyncOS 15.5.2 Hot Patch 1 for Cisco Secure Email Gateway (PDF - 99 KB) 24/Sep/2024
Release Notes for AsyncOS 15.5.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 380 KB) 04/Nov/2024Updated
Release Notes for AsyncOS 15.5.1 Hot Patch 1 for Cisco Secure Email Gateway (PDF - 102 KB) 27/Jun/2024
Release Notes for AsyncOS 15.5.1 for Cisco Secure Email Gateway - GD (General Deployment) (PDF - 360 KB) 18/Aug/2024
Release Notes for AsyncOS 15.0.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 351 KB) 29/Oct/2024New
Release Notes for AsyncOS 15.0.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 359 KB) 18/Jun/2024
Release Notes for AsyncOS 15.0.1 Hot Patch1 for Cisco Secure Email Gateway (PDF - 166 KB) 14/Mar/2024
Release Notes for AsyncOS 15.0.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 442 KB) 30/Nov/2023
Release Notes for AsyncOS 15.0 for Cisco Secure Email Gateway - GD (General Deployment) (PDF - 394 KB) 14/Nov/2023

AsyncOS 14.2 for Cisco Secure Email Gateway

Release Notes for AsyncOS 14.2.3 Hot Patch 1 for Cisco Secure Email Gateway (PDF - 158 KB) 07/Dec/2023
Release Notes for AsyncOS 14.2.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 427 KB) 13/Nov/2023
Release Notes for AsyncOS 14.2.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 398 KB) 13/Nov/2023
Release Notes for AsyncOS 14.2.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 387 KB) 14/Nov/2023
Release Notes for AsyncOS 14.2 for Cisco Secure Email Gateway - GD (General Deployment) (PDF - 367 KB) 13/Nov/2023

AsyncOS 14.0 for Cisco Secure Email Gateway

Release Notes for AsyncOS 14.0.3 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 512 KB) 07/Jan/2024
Release Notes for AsyncOS 14.0.2 Hot Patch1 for Cisco Secure Email Gateway (PDF - 161 KB) 07/Jan/2024
Release Notes for AsyncOS 14.0.2 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 501 KB) 07/Jan/2024
Release Notes for AsyncOS 14.0.1 Hot Patch3 for Cisco Secure Email Gateway (PDF - 158 KB) 07/Jan/2024
Release Notes for AsyncOS 14.0.1 Hot Patch1 for Cisco Secure Email Gateway (PDF - 163 KB) 08/Jan/2024
Release Notes for AsyncOS 14.0.1 for Cisco Secure Email Gateway - MD (Maintenance Deployment) (PDF - 456 KB) 08/Jan/2024
Release Notes for AsyncOS 14.0 for Cisco Secure Email Gateway - GD (General Deployment) (PDF - 413 KB) 08/Jan/2024

AsyncOS 13.7 for Cisco Email Security Appliances

Release Notes for AsyncOS 13.7 Hot Patch1 for Cisco Email Security Appliances (PDF - 159 KB) 30/Jan/2024
Release Notes for AsyncOS 13.7 for Cisco Email Security Appliances - GD (General Deployment) (PDF - 298 KB) 29/Jan/2024

AsyncOS 13.5 for Cisco Email Security Appliances

Release Notes for AsyncOS 13.5.4 Hot Patch1 for Cisco Email Security Appliances (PDF - 158 KB) 29/Jan/2024
Release Notes for AsyncOS 13.5.4 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 383 KB) 05/Feb/2024
Release Notes for AsyncOS 13.5.3 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 366 KB) 05/Feb/2024
Release Notes for AsyncOS 13.5.2 Hot Patch2 for Cisco Email Security Appliances (PDF - 163 KB) 30/Jan/2024
Release Notes for AsyncOS 13.5.2 Hot Patch1 for Cisco Email Security Appliances (PDF - 158 KB) 30/Jan/2024
Release Notes for AsyncOS 13.5.2 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 354 KB) 05/Feb/2024
Release Notes for AsyncOS 13.5.1 for Cisco Email Security Appliances- GD (General Deployment) (PDF - 373 KB) 05/Feb/2024
Release Notes for AsyncOS 13.5 for Cisco Email Security Appliances- LD (Limited Deployment) (PDF - 287 KB) 05/Feb/2024

AsyncOS 13.0 for Cisco Email Security Appliances

Release Notes for AsyncOS 13.0.5 for Cisco Email Security Appliances - MD (Maintenance Deployment) (PDF - 1 MB) 05/Feb/2024
Release Notes for AsyncOS 13.0.4 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 1 MB) 05/Feb/2024
Release Notes for AsyncOS 13.0.3 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 1 MB) 05/Feb/2024
Release Notes for AsyncOS 13.0.2 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 1 MB) 05/Feb/2024
Release Notes for AsyncOS 13.0.1 for Cisco Email Security Appliances- MD (Maintenance Deployment) (PDF - 1 MB) 05/Feb/2024
Release Notes for AsyncOS 13.0 Hot Patch 1 for Cisco Email Security Appliances (PDF - 158 KB) 05/Feb/2024
Release Notes for AsyncOS 13.0 for Cisco Email Security Appliances- GD (General Deployment) (PDF - 998 KB) 05/Feb/2024

AsyncOS 12.5 for Cisco Email Security Appliances

Release Notes for AsyncOS 12.5.3 Hot Patch1 for Cisco Email Security Appliances (PDF - 1 MB) 27/Apr/2021
Release Notes for AsyncOS 12.5.3 for Cisco Email Security Appliances - MD (Maintenance Deployment) (PDF - 282 KB) 19/May/2023

Miscellaneous

Release Notes for the RAID Diagnostic Tool for 80-Series Cisco Email Security, Web Security, and Content Security Management Appliances (PDF - 119 KB) 30/May/2016
Installing a Memory Upgrade for the Cisco S370, C370, C670, or X1070 Content Security Appliances (PDF - 495 KB) 11/Sep/2015
Cisco IronPort Hard Drive Firmware Upgrade for C160, S160, and M160 Appliances Release Notes (GA) (PDF - 130 KB) 02/Sep/2010

High-Priority Issues

Release Notes for the June 25, 2015 SSH Vulnerability Patch for Cisco Content Security Virtual Appliances (PDF - 151 KB) 25/Jun/2015

Open Source Software Licensing Information

Open Source Used In AsyncOS 16.0 for Cisco Secure Email Gateway (PDF - 16 MB) 02/Oct/2024
Open Source Used In AsyncOS 15.5.1 For Cisco Secure Email Gateway (PDF - 12 MB) 29/Apr/2024
Open Source Used in AsyncOS 15.0 for Cisco Secure Email Gateway (PDF - 11 MB) 04/May/2023
Open Source Used in AsyncOS 14.2 for Cisco Secure Email Gateway (PDF - 8 MB) 26/May/2022
Open Source Used in AsyncOS 14.0 for Cisco Secure Email Gateway (PDF - 7 MB) 21/Mar/2021
Open Source Used in AsyncOS 13.5 for Cisco Email Security Appliances (PDF - 4 MB) 02/Jun/2020
Open Source Used in AsyncOS 13.0 for Cisco Email Security Appliances (PDF - 2 MB) 23/Sep/2019

Cisco Domain Protection and Advanced Phishing Protection

Release Notes for Cisco Advanced Phishing Protection (PDF - 125 KB) 10/Jul/2020

- Release Notes for Cisco Domain Protection (PDF - 125 KB)

Support Documentation

All Support Documentation for this Series