CVE-2026-76461

Cisco Secure Email Gateway SQL Injection Vulnerability

Published Sep 14, 2026 CVSS 3.1 · 9.8 Critical EPSS 40.2% KEV · Listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Cisco secure Email
Vendors & Products Cisco secure Email
Type Values Removed Values Added
First Time appeared Cisco
Cisco asyncos
Cisco secure Email Gateway C195
Cisco secure Email Gateway C395
Cisco secure Email Gateway C695
Cisco secure Email Gateway Virtual Appliance C100v
Cisco secure Email Gateway Virtual Appliance C300v
Cisco secure Email Gateway Virtual Appliance C600v
CPEs cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c100v:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c300v:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c600v:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:secure_email_gateway_c195:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:secure_email_gateway_c395:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:secure_email_gateway_c695:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
Vendors & Products Cisco
Cisco asyncos
Cisco secure Email Gateway C195
Cisco secure Email Gateway C395
Cisco secure Email Gateway C695
Cisco secure Email Gateway Virtual Appliance C100v
Cisco secure Email Gateway Virtual Appliance C300v
Cisco secure Email Gateway Virtual Appliance C600v
Type Values Removed Values Added
Description 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.
Title Cisco Secure Email Gateway SQL Injection Vulnerability
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

kev

{'dateAdded': '2026-09-14T00:00:00+00:00', 'dueDate': '2026-09-17T00:00:00+00:00'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}