Cisco Web Security Appliance Proxy Restrictions Bypass

high Nessus Plugin ID 88592

Synopsis

The remote security appliance is affected by a security feature bypass vulnerability.

Description

According to its self-reported version, the Cisco Web Security Appliance (WSA) running on the remote host is affected by a security feature bypass vulnerability that allows an unauthenticated, remote attacker to bypass proxy restrictions via improper or malformed HTTP methods.

Solution

No patch currently exists. Contact Cisco for a patch or workaround.

See Also

http://www.nessus.org/u?689662ba

Plugin Details

Severity: High

ID: 88592

File Name: cisco-sa-20160119-wsa.nasl

Version: 1.11

Type: local

Family: CISCO

Published: 2/5/2016

Updated: 5/14/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2016-1296

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:cisco:web_security_appliance, cpe:/a:cisco:web_security_appliance, cpe:/o:cisco:web_security_appliance, cpe:/o:cisco:asyncos

Required KB Items: Settings/ParanoidReport, Host/AsyncOS/Cisco Web Security Appliance/DisplayVersion, Host/AsyncOS/Cisco Web Security Appliance/Version

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 1/19/2016

Reference Information

CVE: CVE-2016-1296

BID: 81434