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CVE-2020-3561

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CVE-2020-3561

Published: Oct 21, 2020

Modified: Nov 13, 2024

PUBLISHED

CVSS v3.0

4.7

MEDIUM

Description

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.

VendorProductVersions

Cisco

Cisco Adaptive Security Appliance (ASA) Software

affected
n/a

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

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