Cisco released security advisory to address the vulnerability in Cisco devices and software. For information about the vulnerability and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.
Reports indicate that the vulnerability (CVE-2022-20821) is being actively exploited in the wild. System administrators are advised to take immediate actions to patch your affected systems to mitigate the elevated risk of cyber attacks.
For detailed information of the affected products, please refer to the section "Affected Products" of corresponding security advisory at vendor's website.
A successful exploitation could lead to security restriction bypass 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.