CVE-2021-27649

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 v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:synology:diskstation_manager::::::::
	cpe:2.3:o:synology:diskstation_manager_unified_controller::::::::

History

14 Jan 2025, 19:29

Type	Values Removed	Values Added
CPE	cpe:2.3:a:synology:diskstation_manager::::::::	cpe:2.3:o:synology:diskstation_manager::::::::

21 Nov 2024, 05:58

Type	Values Removed	Values Added
References	~~() https://www.synology.com/security/advisory/Synology_SA_20_26 - Vendor Advisory~~	() https://www.synology.com/security/advisory/Synology_SA_20_26 - Vendor Advisory

29 Jun 2021, 19:51

Type	Values Removed	Values Added
CWE		CWE-416
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(CONFIRM) https://www.synology.com/security/advisory/Synology_SA_20_26 -~~	(CONFIRM) https://www.synology.com/security/advisory/Synology_SA_20_26 - Vendor Advisory
CPE		cpe:2.3:a:synology:diskstation_manager:::::::: cpe:2.3:o:synology:diskstation_manager_unified_controller::::::::

23 Jun 2021, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-06-23 10:15

Updated : 2025-01-14 19:29

NVD link : CVE-2021-27649

Mitre link : CVE-2021-27649

CVE.ORG link : CVE-2021-27649

JSON object : View

Products Affected

synology

diskstation_manager_unified_controller
diskstation_manager

CWE

CWE-416

Use After Free

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