High Threat Security Alert (A23-05-09): Multiple Vulnerabilities in Cisco Products
18 May 2023
Cisco released security advisories to address multiple vulnerabilities in Cisco devices and software. For information about the vulnerabilities and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.
Reports indicate that the proof-of-concept (PoC) code for remote code execution vulnerabilities (CVE-2023-20159, CVE-2023-20160, CVE-2023-20161 and CVE-2023-20189) in Cisco Small Business Series Switches are publicly available. System administrators are advised to take immediate actions to patch your affected systems to mitigate the elevated risk of cyber attacks.
Cisco Business Wireless Access Points
Cisco DNA Center Software
Cisco Identity Services Engine
Cisco Small Business Series Switches
Cisco Smart Software Manager On-Prem
For detailed information of the affected products, please refer to the section "Affected Products" of corresponding security advisory at vendor's website.
Please note that Cisco Small Business 200 Series Smart Switches, 300 Series Managed Switches, and 500 Series Stackable Managed Switches have reached End-Of-Life (EOL). No security updates will be provided after that. Users should arrange upgrading the products to supported versions or migrating to other supported technology.
Depending on the vulnerabilities being exploited, a successful exploitation could lead to remote code execution, arbitrary command injection, denial of service, information disclosure, security restriction bypass or tampering of affected system.
Software updates for affected systems are now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk. For detailed information of the available patches, please refer to the section "Fixed Software" of corresponding security advisory at vendor's website.
System administrators should contact their product support vendors for the fixes and assistance.