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Cisco AnyConnect: CVE-2024-20337: Cisco Secure Client Carriage Return Line Feed Injection Vulnerability

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Cisco AnyConnect: CVE-2024-20337: Cisco Secure Client Carriage Return Line Feed Injection Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:P/A:N)
Published
03/06/2024
Created
04/18/2024
Added
04/18/2024
Modified
01/22/2025

Description

A vulnerability in the SAML authentication process of Cisco Secure Client could allow an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link while establishing a VPN session. A successful exploit could allow the attacker to execute arbitrary script code in the browser or access sensitive, browser-based information, including a valid SAML token. The attacker could then use the token to establish a remote access VPN session with the privileges of the affected user. Individual hosts and services behind the VPN headend would still need additional credentials for successful access.

Solution(s)

  • cisco-anyconnect-upgrade-latest

References

  • https://attackerkb.com/topics/cve-2024-20337
  • CVE - 2024-20337
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-client-crlf-W43V4G7
  • cisco-sa-secure-client-crlf-W43V4G7
  • 查看数 708
  • 已创建
  • 最后回复

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