CVE-2021-27649 — CRITICAL (9.8)

Q: What is CVE-2021-27649?

CVE-2021-27649 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

Q: How severe is CVE-2021-27649?

CVE-2021-27649 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-27649?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager, Synology Diskstation Manager Unified Controller.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Synology	Diskstation Manager	>= 6.2, < 6.2.3-25426-3
Synology	Diskstation Manager Unified Controller	< 3.1-23033

Related Weaknesses (CWE)

CWE-416

References

https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory

FAQ

What is CVE-2021-27649?

CVE-2021-27649 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-27649?

CVE-2021-27649 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27649?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager, Synology Diskstation Manager Unified Controller.