Medium severity5.9NVD Advisory· Published Oct 5, 2016· Updated Jun 17, 2026

CVE-2016-6416

Description

The FTP service in Cisco AsyncOS on Email Security Appliance (ESA) devices 9.6.0-000 through 9.9.6-026, Web Security Appliance (WSA) devices 9.0.0-162 through 9.5.0-444, and Content Security Management Appliance (SMA) devices allows remote attackers to cause a denial of service via a flood of FTP traffic, aka Bug IDs CSCuz82907, CSCuz84330, and CSCuz86065.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Email Security Appliance Firmwarellm-fuzzy
Cisco Systems, Inc./Web Security Appliancellm-fuzzy
Cisco Systems, Inc./Asyncosllm-fuzzy

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aosnvdVendor Advisory
www.securityfocus.com/bid/93198nvd
www.securitytracker.com/id/1036915nvd
www.securitytracker.com/id/1036916nvd
www.securitytracker.com/id/1036917nvd

News mentions

No linked articles in our index yet.

cvss	0.384
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000