Vulnerability Monitor

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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.

Published

2019-05-03T15:29:00.227

Last Modified

2024-11-21T03:50:40.767

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-400
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco adaptive_security_appliance_software < 9.4.4.34 Yes
Operating System cisco adaptive_security_appliance_software < 9.6.4.25 Yes
Operating System cisco adaptive_security_appliance_software < 9.8.4 Yes
Operating System cisco adaptive_security_appliance_software < 9.9.2.50 Yes
Hardware cisco asa_5505 - No
Hardware cisco asa_5510 - No
Hardware cisco asa_5512-x - No
Hardware cisco asa_5515-x - No
Hardware cisco asa_5520 - No
Hardware cisco asa_5525-x - No
Hardware cisco asa_5540 - No
Hardware cisco asa_5545-x - No
Hardware cisco asa_5550 - No
Hardware cisco asa_5555-x - No
Hardware cisco asa_5580 - No
Hardware cisco asa_5585-x - No
Application cisco firepower_threat_defense < 6.2.3.12 Yes
References