CVE-2016-6399

7.5 highEPSS 1.9%

Cisco ACE30 Application Control Engine Module through A5 3.3 and ACE 4700 Application Control Engine appliances through A5 3.3 allow remote attackers to cause a denial of service (device reload) via crafted (1) SSL or (2) TLS packets, aka Bug ID CSCvb16317.

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2016-09-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisco:ace_4700_series_application_control_engine_appliance
cisco:ace_4700_series_application_control_engine_appliance_a1
cisco:ace_4700_series_application_control_engine_appliance_a3
cisco:ace_4700_series_application_control_engine_appliance_a4
cisco:ace_4700_series_application_control_engine_appliance_a5
cisco:ace_application_control_engine_module_a1
cisco:ace_application_control_engine_module_a3
cisco:ace_application_control_engine_module_a4
cisco:ace_application_control_engine_module_a5

References

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