Advisory Published
Updated

CVE-2020-4089

First published: Fri Jun 26 2020(Updated: )

HCL Notes is vulnerable to an information leakage vulnerability through its support for the 'mailto' protocol. This vulnerability could result in files from the user's filesystem or connected network filesystems being leaked to a third party. All versions of HCL Notes 9, 10 and 11 are affected.

Credit: psirt@hcl.com

Affected SoftwareAffected VersionHow to fix
Hcltech Notes=9.0
Hcltech Notes=10.0
Hcltech Notes=11.0

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2020-4089?

    CVE-2020-4089 is an information leakage vulnerability in HCL Notes, which could result in files being leaked to a third party.

  • How does CVE-2020-4089 affect HCL Notes?

    CVE-2020-4089 affects all versions of HCL Notes 9, 10, and 11.

  • What is the severity of CVE-2020-4089?

    CVE-2020-4089 has a severity rating of 6.5, which is considered medium.

  • How can I fix CVE-2020-4089 in HCL Notes?

    To fix CVE-2020-4089, it is recommended to apply the latest security patches and updates provided by HCL Technologies.

  • Where can I find more information about CVE-2020-4089?

    You can find more information about CVE-2020-4089 on the HCL Technologies support website at https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0080343

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203