CWE
787
Advisory Published
Updated

CVE-2021-26562

First published: Fri Feb 26 2021(Updated: )

Out-of-bounds write vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Credit: security@synology.com

Affected SoftwareAffected VersionHow to fix
Synology DiskStation Manager<6.2.3-25426-3
Synology Vs960hd Firmware
Synology Vs960hd
Synology Skynas Firmware
Synology Skynas
Synology Diskstation Manager Unified Controller=3.0
Synology Uc3200

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 the vulnerability ID for this vulnerability?

    The vulnerability ID is CVE-2021-26562.

  • What is the severity of CVE-2021-26562?

    The severity of CVE-2021-26562 is critical with a severity value of 8.1.

  • Which software is affected by CVE-2021-26562?

    Synology DiskStation Manager (DSM) before 6.2.3-25426-3 is affected by CVE-2021-26562.

  • How can a man-in-the-middle attacker exploit CVE-2021-26562?

    A man-in-the-middle attacker can exploit CVE-2021-26562 by using the syno_finder_site HTTP header to execute arbitrary code.

  • How can I fix CVE-2021-26562?

    To fix CVE-2021-26562, it is recommended to update Synology DiskStation Manager (DSM) to version 6.2.3-25426-3 or later.

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203