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 Software | Affected Version | How 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 |
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Reference Links
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.
- agent/references
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/weakness
- agent/severity
- agent/author
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/synology
- canonical/synology diskstation manager
- canonical/synology vs960hd firmware
- canonical/synology vs960hd
- canonical/synology skynas firmware
- canonical/synology skynas
- canonical/synology diskstation manager unified controller
- version/synology diskstation manager unified controller/3.0
- canonical/synology uc3200