CVE Vulnerability

CVE-2018-15388

A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for existing WebVPN login operations. An attacker could exploit this vulnerability by sending multiple WebVPN login requests to the device. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

8.6 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
Information

Published : 2019-05-03 03:29

Updated : 2019-10-09 11:35

NVD link : CVE-2018-15388

Mitre link : CVE-2018-15388

Products Affected

Asa 5540

Cisco

CWE
CWE-400