CVE-2026-76519

Description

A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.

CVSS breakdown

Affected products

• Cisco / asyncos15.0 – 15.5.5-014
• Cisco / Cisco Secure Email13.5.1-277 – 13.5.1-277
• Cisco / Cisco Secure Email13.0.0-392 – 13.0.0-392
• Cisco / Cisco Secure Email14.2.0-620 – 14.2.0-620
• Cisco / Cisco Secure Email13.0.5-007 – 13.0.5-007
• Cisco / Cisco Secure Email13.5.4-038 – 13.5.4-038
• Cisco / Cisco Secure Email14.2.1-020 – 14.2.1-020
• Cisco / Cisco Secure Email14.3.0-032 – 14.3.0-032
• Cisco / Cisco Secure Email15.0.0-104 – 15.0.0-104
• Cisco / Cisco Secure Email15.0.1-030 – 15.0.1-030
• Cisco / Cisco Secure Email15.5.0-048 – 15.5.0-048
• Cisco / Cisco Secure Email15.5.1-055 – 15.5.1-055
• Cisco / Cisco Secure Email14.0.0-698 – 14.0.0-698
• Cisco / Cisco Secure Email16.0.0-050 – 16.0.0-050
• Cisco / Cisco Secure Email15.0.3-002 – 15.0.3-002
• Cisco / Cisco Secure Email16.0.0-054 – 16.0.0-054
• Cisco / Cisco Secure Email15.5.3-022 – 15.5.3-022
• Cisco / Cisco Secure Email16.0.1-017 – 16.0.1-017
• Cisco / Cisco Secure Email15.5.4-012 – 15.5.4-012
• Cisco / Cisco Secure Email16.0.4-016 – 16.0.4-016
• Cisco / Cisco Secure Email15.0.5-016 – 15.0.5-016
• Cisco / Cisco Secure Email16.0.2-112 – 16.0.2-112
• Cisco / Cisco Secure Email16.0.3-044 – 16.0.3-044
• Cisco / Cisco Secure Email15.5.2-018 – 15.5.2-018

References

• VENDOR_ADVISORYhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp