CVE-2019-1693
MediumCVSS 6.5Exploitation Probability (EPSS)
High risk80th percentile - higher than 80% of all known CVEs
Summary
A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The issue is due to improper management of authenticated sessions in the WebVPN portal. An attacker could authenticate with valid credentials and access a specific URL, causing the device to reload and resulting in temporary DoS.
Risk Assessment
The risk is that an authenticated user can disrupt device operation, potentially causing service unavailability.
Recommendation
It is recommended to upgrade to a patched version and restrict WebVPN portal access to trusted users.
Original NVD description (English source)
A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper management of authenticated sessions in the WebVPN portal. An attacker could exploit this vulnerability by authenticating with valid credentials and accessing a specific URL in the WebVPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a temporary DoS condition.