cisco-sa-esa-inj-2bLVGmhX: Cisco Secure Email Gateway SQL Injection Vulnerability

Published Sep 14, 2026
·
Updated

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system.This vulnerability is due to insufficient validation in the email parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX

Affected Software

1 affected component
Cisco AsyncOS Software for Cisco Secure Email Gateway

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    No workarounds are available for this vulnerability per the advisory; prioritize installing the Cisco software update.

Event History

Sep 14, 2026
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue, and what access do they need?

An unauthenticated remote attacker can exploit it by sending a crafted email message containing malicious SQL statements through an affected device. No prior authentication is required.

2

What is the potential impact of successful exploitation?

An attacker can execute arbitrary SQL statements and ultimately execute commands with root privileges on the underlying operating system.

3

What should teams do if they cannot patch immediately?

The provided information states that there are no workarounds for this vulnerability. Apply Cisco's released software updates to address it.

Contact

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