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CVE-2016-6372

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 and content filtering for malformed Multipurpose Internet Mail Extensions (MIME) headers of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of the targeted device. Emails that should have been quarantined could instead be processed. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA on both virtual and hardware appliances that are configured with message or content filters to scan incoming email attachments. More Information: CSCuy54740, CSCuy75174. Known Affected Releases: 9.7.1-066 9.5.0-575 WSA10.0.0-000. 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:H/I:N/A:N 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:H/I:N/A:N

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

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:email_security_appliance:8.0.1-023:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.0_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.0-er1-198:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.6-052:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.6-073:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.6-074:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.6-106:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.6-113:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.7-042:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.6.0-011:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.9.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.9.1-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.9.2-032:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools