What’s Vulnerable › Vulnerabilities

CVE-2016-6463

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-11-19 · updated 2026-06-17
• Weakness: CWE-20

Description

A vulnerability in the email filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass Advanced Malware Protection (AMP) filters that are configured for an affected device. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCuz85823. Known Affected Releases: 10.0.0-082 9.7.0-125 9.7.1-066. Known Fixed Releases: 10.0.0-203 9.7.2-131.

Affected products

• Cisco Email Security Appliance: 9.7.0-125, 9.7.1-06, 10.0.0-082

References

• http://www.securityfocus.com/bid/94363
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161116-esa2
• http://www.securityfocus.com/bid/94363
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161116-esa2

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