Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-3561

A vulnerability in the Clientless SSL VPN (WebVPN) of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to inject arbitrary HTTP headers in the responses of the affected system. The vulnerability is due to improper input sanitization. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to conduct a CRLF injection attack, adding arbitrary HTTP headers in the responses of the system and redirecting the user to arbitrary websites.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 57.5%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 4.3
Products affected by CVE-2020-3561


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