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Mitigation Instructions for Ivanti Connect Secure & Ivanti Policy Secure CVE-2023-46805

Mitigation Instructions for Ivanti Connect Secure & Ivanti Policy Secure CVE-2023-46805

SUBJECT:  CVE-2023-46805: Ivanti Connect Secure and Policy Secure Authentication Bypass Vulnerability - Detailed Mitigation Guide

TECH STACK: Affected Software (Ivanti Connect Secure versions 9.x and 22.x, Ivanti Policy Secure versions 9.x and 22.x)

DATE(S) ISSUED: 01/12/2024

NVD Last Modified: 01/22/2024

CRITICALITY: CVSS v3 Score: 8.2 (HIGH)

OVERVIEW: 

This vulnerability template details the mitigation strategies for CVE-2023-46805, an authentication bypass vulnerability affecting Ivanti Connect Secure and Policy Secure versions 9.x and 22.x. This vulnerability allows remote attackers to bypass control checks and access restricted resources on vulnerable systems.

IMPACT:

Successful exploitation of this vulnerability could allow attackers to:

  1. Access sensitive information on the vulnerable system.
  2. Modify or delete data.
  3. Disrupt system operations.
  4. Install malware.
  5. Launch further attacks on the network.

MITIGATION/SOLUTIONS:

Here are the recommended mitigation strategies:

  1. Apply the latest security patches:
  • Ivanti has released security patches addressing this vulnerability. It is crucial to update your Ivanti Connect Secure and Policy Secure installations to the latest patched versions as soon as possible. You can find the latest patches and instructions on the Ivanti support website:
  1. Implement additional security measures:
  • Enable strong authentication: Enforce the use of complex and unique passwords for administrative accounts. Consider implementing multi-factor authentication (MFA) for an additional layer of security.
  • Minimize access controls: Grant access to resources on a least privilege basis. Users should only have the minimum permissions required to perform their tasks.
  • Segment your network: Segmenting your network can help to limit the impact of a successful attack by isolating vulnerable systems from critical resources.
  • Monitor your systems for suspicious activity: Regularly monitor your systems for signs of suspicious activity, such as unauthorized access attempts or unusual system behavior.

Additional Resources

CONCLUSION

Applying the recommended mitigation strategies can significantly reduce the risk of being exploited by the CVE-2023-46805 vulnerability. It is crucial to prioritize patching vulnerable systems and implement additional security controls to enhance your overall security posture.




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