CVE-2021-27649: Use After Free
First published: Wed Jun 23 2021(Updated: )
Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.
Credit: security@synology.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Synology DiskStation Manager | >=6.2<6.2.3-25426-3 | |
| Synology Diskstation Manager Unified Controller | <3.1-23033 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-27649?
The severity of CVE-2021-27649 is critical with a severity value of 9.8.
How does CVE-2021-27649 affect Synology DiskStation Manager (DSM)?
CVE-2021-27649 affects Synology DiskStation Manager (DSM) before version 6.2.3-25426-3.
Can remote attackers exploit CVE-2021-27649?
Yes, remote attackers can exploit CVE-2021-27649 to execute arbitrary code.
Is there a fix available for CVE-2021-27649?
Yes, a fix is available for CVE-2021-27649. Users should update to Synology DiskStation Manager version 6.2.3-25426-3 or newer.
Where can I find more information about CVE-2021-27649?
You can find more information about CVE-2021-27649 in the Synology security advisory: https://www.synology.com/security/advisory/Synology_SA_20_26
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- canonical/synology diskstation manager unified controller