Out-of-Bounds Write Vulnerability in Synology DiskStation Manager
CVE-2021-26562

8.1HIGH

Key Information:

Vendor

Synology
Status
Synology Diskstation Manager (dsm)
Vendor
CVE Published:
26 February 2021

What is CVE-2021-26562?

An out-of-bounds write vulnerability exists in the synoagentregisterd component of Synology DiskStation Manager versions before 6.2.3-25426-3. This flaw allows man-in-the-middle attackers to inject arbitrary code via the syno_finder_site HTTP header. Exploitation of this vulnerability could lead to unauthorized access and potential system compromise. Users are advised to upgrade to the latest version to mitigate any risks associated with this security issue.

Affected Version(s)

Synology DiskStation Manager (DSM) < 6.2.3-25426-3

References

https://www.synology.com/security/advisory/Synology_SA_20_26
x_refsource_CONFIRM
https://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.