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CVE-2018-0410

CVE information

Published

5 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

High

Impact Analysis

Description

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected system. The vulnerability exists because the affected software improperly manages memory resources for TCP connections to a targeted device. An attacker could exploit this vulnerability by establishing a high number of TCP connections to the data interface of an affected device via IPv4 or IPv6. A successful exploit could allow the attacker to exhaust system memory, which could cause the system to stop processing new connections and result in a DoS condition. System recovery may require manual intervention. Cisco Bug IDs: CSCvf36610..

CVSSv2.0 Score

Severity
High
Base Score
7.8/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
8.6/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
4/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Changed
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:9.1.1-074:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:10.5.1-270:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:11.0.0-641:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:10.1.1-235:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:9.1.2-010:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:10.5.1-296:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:10.5.2-042:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:9.1.2-022:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:web_security_appliance:9.1.2-039:*:*:*:*:*:*
  Yes
- -