Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2016-6356

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
28/10/2016
Last modified:
12/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:email_security_appliance:3.3.1-09:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.1.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.3.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.2-201:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.6.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools