Cisco Web Security Appliance L4 Traffic Monitor Bypass

high Nessus Plugin ID 110535

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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 L4 Traffic Monitor (L4TM) restrictions.

Solution

Apply the vendor supplied patch.

Plugin Details

Severity: High

ID: 110535

File Name: cisco-sa-20180606-wsa.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 6/14/2018

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:P/I:N/A:N

CVSS Score Source: CVE-2018-0353

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:H/I:N/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

Patch Publication Date: 6/6/2018

Vulnerability Publication Date: 6/6/2018

Reference Information

CVE: CVE-2018-0353

BID: 104417

CISCO-SA: cisco-sa-20180606-wsa

CISCO-BUG-ID: CSCvg78875

Detections

Analytics