Cisco Security Updates (04th March 2021)

Ref# ADV2021_28 | Date: Mar 5th 2021

Cisco published security updates on 04th March 2021, addressing vulnerabilities in the following products. It is recommended that you take the necessary precautions by ensuring your products are always updated.  

  • Cisco Email Security Appliance (ESA) 

  • Cisco Security Management (SMA)  

For more information on these Cisco update, you can follow the URL:

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: Cisco Security Updates.pdf


  • Cisco Security Advisories (04th March 2021). Retrieved from Cisco. 


  • Cisco Releases Security Updates (04th March 2021). Retrieve from the Cybersecurity and Infrastructure Security Agency (CISA)