National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0353 Detail

Current Description

A vulnerability in traffic-monitoring functions in Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to circumvent Layer 4 Traffic Monitor (L4TM) functionality and bypass security protections. The vulnerability is due to a change in the underlying operating system software that is responsible for monitoring affected traffic. An attacker could exploit this vulnerability by sending crafted IP packets to an affected device. A successful exploit could allow the attacker to pass traffic through the device, which the WSA was configured to deny. This vulnerability affects both IPv4 and IPv6 traffic. This vulnerability affects Cisco AsyncOS versions for WSA on both virtual and hardware appliances running any release of the 10.5.1, 10.5.2, or 11.0.0 WSA Software. The WSA is vulnerable if it is configured for L4TM. Cisco Bug IDs: CSCvg78875.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104417 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041081 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-wsa Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information NIST  
CWE-254 7PK - Security Features Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cisco:web_security_appliance:10.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:web_security_appliance:10.5.1-296:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:web_security_appliance:10.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:web_security_appliance:11.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:web_security_appliance:11.5.0-fcs-442:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0353
NVD Published Date:
06/07/2018
NVD Last Modified:
10/09/2019