CVE-2018-15388
Description
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.
How to fix
- cisco adaptive_security_appliance_software9.4.4.34, 9.6.4.25, 9.8.4, 9.9.2.50 or later
- cisco secure_firewall_threat_defense6.2.3.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco adaptive_security_appliance_software | v < 9.4.4.34, 9.5 ≤ v < 9.6.4.25, 9.7 ≤ v < 9.8.4, 9.9 ≤ v < 9.9.2.50 | 9.4.4.34, 9.6.4.25, 9.8.4, 9.9.2.50 |
| cisco secure_firewall_threat_defense | v < 6.2.3.12 | 6.2.3.12 |
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Attack Surface Management
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