Cisco Bug can Let Hackers Crash Cisco Secure Email Gateways
Cisco Bug can Let Hackers Crash Cisco Secure Email Gateways Cisco has addressed a high severity vulnerability that could allow remote attackers to crash Cisco Secure Email appliances using maliciously crafted email messages. The security flaw (tracked as CVE-2022-20653) was found in DNS-based Authentication of Named Entities (DANE), a Cisco AsyncOS Software component used by Cisco Secure Email to check emails