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CVE-2018-0101

CVE information

Published

4 years ago

Last Modified

3 years ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

Description

A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause a reload of the affected system or to remotely execute code. The vulnerability is due to an attempt to double free a region of memory when the webvpn feature is enabled on the Cisco ASA device. An attacker could exploit this vulnerability by sending multiple, crafted XML packets to a webvpn-configured interface on the affected system. An exploit could allow the attacker to execute arbitrary code and obtain full control of the system, or cause a reload of the affected device. This vulnerability affects Cisco ASA Software that is running on the following Cisco products: 3000 Series Industrial Security Appliance (ISA), ASA 5500 Series Adaptive Security Appliances, ASA 5500-X Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, ASA 1000V Cloud Firewall, Adaptive Security Virtual Appliance (ASAv), Firepower 2100 Series Security Appliance, Firepower 4110 Security Appliance, Firepower 9300 ASA Security Module, Firepower Threat Defense Software (FTD). Cisco Bug IDs: CSCvg35618..

CVSSv2.0 Score

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

CVSSv3.1 Score

Severity
Critical
Base Score
10/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
6/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Changed
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.9.0 9.9.1.2
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.8.0 9.8.2.20
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.7.0 9.7.1.21
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.5.0 9.6.4.3
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.3.0 9.4.4.16
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
9.2.0 9.2.4.27
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*
  Yes
- 9.1.7.23
cpe:2.3:a:cisco:firepower_threat_defense:6.0.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.2.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
  Yes
- -