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

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CVE-2017-6751

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
25/07/2017
Last modified:
20/04/2025

Description

A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to forward traffic from the web proxy interface of an affected device to the administrative management interface of an affected device, aka an Access Control Bypass Vulnerability. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88863. Known Affected Releases: 10.1.0-204 9.0.0-485.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

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

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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
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:web_security_appliance:9.0.0-162:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:9.0.0-485:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.0.0-233:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools