CVE-2016-6416

mediumpriority · track · 25EPSS 0.020 · 81 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.02% (81st) EPSS

CVSS 4.3 · medium

Is it mine?

22 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.05.4mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (22)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco content security management appliance= 9.1.0nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.1.0-004nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.1.0-031nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.1.0-033nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.1.0-103nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.5.0nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco content security management appliance= 9.6.0nvdUScpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.6.0-000nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.6.0-042nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.6.0-051nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.7.1-066nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.9.6-026nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.9_basenvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.0.0-162nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.1.0-000nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.1.0-070nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.1_basenvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.5.0-235nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 9.5.0-284nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*

showing 20 of 22

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-10-05modified 2026-06-17

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+21038 more

references (12)

External citations — patches, advisories, analysis.

scry

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