Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-6407

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
17/09/2016
Last modified:
12/04/2025

Description

Cisco AsyncOS through 9.5.0-444 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (link saturation) by making many HTTP requests for overlapping byte ranges simultaneously, aka Bug ID CSCuz27219.

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:P CVSS v2.0 Severity and Metrics:

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:web_security_appliance:5.6.0-623:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:6.0.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.0-825:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.1-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.2-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.2-hp2-303:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.0-608:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.1-000:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools