CVE-2016-6356

Published: Oct 28, 2016Modified: May 6, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop scanning and forwarding email messages due to a denial of service (DoS) condition. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. More Information: CSCuz63143. Known Affected Releases: 8.5.7-042 9.7.0-125. Known Fixed Releases: 10.0.0-125 9.1.1-038 9.7.2-047.

Affected (56)

Products: Cisco: Email Security Appliance

Cisco

1 product

Email Security Appliance

Configuration A

56 vulnerable

Vulnerable Software	Affected Versions
Cisco Email Security Appliance	Version 3.3.1-09
Cisco Email Security Appliance	Version 7.1.0
Cisco Email Security Appliance	Version 7.1.1
Cisco Email Security Appliance	Version 7.1.2
Cisco Email Security Appliance	Version 7.1.3
Cisco Email Security Appliance	Version 7.1.4
Cisco Email Security Appliance	Version 7.1.5
Cisco Email Security Appliance	Version 7.3.0
Cisco Email Security Appliance	Version 7.3.1
Cisco Email Security Appliance	Version 7.3.2
Cisco Email Security Appliance	Version 7.5.0
Cisco Email Security Appliance	Version 7.5.1
Cisco Email Security Appliance	Version 7.5.2-201
Cisco Email Security Appliance	Version 7.5.2
Cisco Email Security Appliance	Version 7.6.0
Cisco Email Security Appliance	Version 7.6.1-000
Cisco Email Security Appliance	Version 7.6.1-gpl-022
Cisco Email Security Appliance	Version 7.6.2
Cisco Email Security Appliance	Version 7.6.3-000
Cisco Email Security Appliance	Version 7.6.3-025
Cisco Email Security Appliance	Version 7.7.0-000
Cisco Email Security Appliance	Version 7.7.1-000
Cisco Email Security Appliance	Version 7.8.0-311
Cisco Email Security Appliance	Version 7.8.0
Cisco Email Security Appliance	Version 8.0.1-023
Cisco Email Security Appliance	Version 8.0_base
Cisco Email Security Appliance	Version 8.5.0-000
Cisco Email Security Appliance	Version 8.5.0-er1-198
Cisco Email Security Appliance	Version 8.5.6-052
Cisco Email Security Appliance	Version 8.5.6-073
Cisco Email Security Appliance	Version 8.5.6-074
Cisco Email Security Appliance	Version 8.5.6-106
Cisco Email Security Appliance	Version 8.5.6-113
Cisco Email Security Appliance	Version 8.5.7-042
Cisco Email Security Appliance	Version 8.6.0-011
Cisco Email Security Appliance	Version 8.6.0
Cisco Email Security Appliance	Version 8.9.0
Cisco Email Security Appliance	Version 8.9.1-000
Cisco Email Security Appliance	Version 8.9.2-032
Cisco Email Security Appliance	Version 9.0.0-212
Cisco Email Security Appliance	Version 9.0.0-461
Cisco Email Security Appliance	Version 9.0.0
Cisco Email Security Appliance	Version 9.0.5-000
Cisco Email Security Appliance	Version 9.1.0-011
Cisco Email Security Appliance	Version 9.1.0-032
Cisco Email Security Appliance	Version 9.1.0-101
Cisco Email Security Appliance	Version 9.1.0
Cisco Email Security Appliance	Version 9.4.0
Cisco Email Security Appliance	Version 9.4.4-000
Cisco Email Security Appliance	Version 9.5.0-000
Cisco Email Security Appliance	Version 9.5.0-201
Cisco Email Security Appliance	Version 9.6.0-000
Cisco Email Security Appliance	Version 9.6.0-042
Cisco Email Security Appliance	Version 9.6.0-051
Cisco Email Security Appliance	Version 9.7.0-125
Cisco Email Security Appliance	Version 9.7.1-066