Cisco published a security advisory to address vulnerabilities affecting the following products on the 1st of March 2023. It is recommended that you take the necessary precautions to ensure your products are always protected.
IP Phone 6800 Series with Multiplatform Firmware – multiple versions
IP Phone 7800 Series with Multiplatform Firmware – multiple versions
IP Phone 8800 Series with Multiplatform Firmware – multiple versions
For more information on these updates, you can follow this URL:
The Guyana National CIRT recommends that users and administrators review these updates and apply it where necessary.
PDF Download: Cisco Security Advisory.pdf
References
Cisco Security Updates. (2023, March 1) Retrieved from Cisco https://sec.cloudapps.cisco.com/security/center/publicationListing.x
Cisco Security Updates. (2023, March 2) Retrieved from Canadian Centre for Cyber Security.
https://www.cyber.gc.ca/en/alerts-advisories/cisco-security-advisory-av23-120