Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Cisco has issued a warning about active attacks targeting a critical vulnerability in its Secure Email Gateway. The flaw allows an unauthenticated sender to write files to the appliance's operating system by sending a specially crafted email attachment through the gateway. If the attack is successful, it could enable the attacker to run commands with root privileges. The Cisco Secure Email Gateway is used by organizations to filter out spam and malware from incoming emails. Attackers are currently exploiting this vulnerability, according to Cisco's advisory. The vulnerability poses a significant risk as it can be exploited without the need for login credentials.