Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-10-21T19:15:17.793

Last Modified

2024-11-21T05:31:19.147

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.7 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-93
  • Type: Primary
    CWE-74
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco adaptive_security_appliance < 9.6.4.35 Yes
Application cisco firepower_threat_defense < 6.3.0.6 Yes
Application cisco firepower_threat_defense < 6.4.0.10 Yes
Application cisco firepower_threat_defense < 6.5.0.5 Yes
Application cisco firepower_threat_defense < 6.6.1 Yes
Operating System cisco adaptive_security_appliance_software < 9.8.4.20 Yes
Operating System cisco adaptive_security_appliance_software < 9.9.2.80 Yes
Operating System cisco adaptive_security_appliance_software < 9.10.1.43 Yes
Operating System cisco adaptive_security_appliance_software < 9.12.3.9 Yes
Operating System cisco adaptive_security_appliance_software < 9.13.1.10 Yes
Operating System cisco adaptive_security_appliance_software < 9.14.1.10 Yes
References