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

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday.

The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could then run commands as root. The appliance filters an organization's email for spam, malware,

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id: 3598
uid: bSoQp
insdate: 2026-10-14 19:10:06
title: Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability
additional: Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday.

The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could then run commands as root. The appliance filters an organization's email for spam, malware,
category: Cybersecurity
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