CVE-2021-26563

Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.

CVSS v3 8.2 HIGH
CVSS v2.0 4.6 MEDIUM

8.2^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

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_21_03	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158	Exploit Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_21_03	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*

cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:*

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, 05:56

Type	Values Removed	Values Added
References	~~() https://www.synology.com/security/advisory/Synology_SA_21_03 - Vendor Advisory~~	() https://www.synology.com/security/advisory/Synology_SA_21_03 - Vendor Advisory
References	~~() https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158 - Exploit, Third Party Advisory~~	() https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158 - Exploit, Third Party Advisory
CVSS	v2 : ~~4.6~~ v3 : ~~6.7~~	v2 : 4.6 v3 : 8.2

Information

Published : 2021-02-26 22:15

Updated : 2025-01-14 19:29

NVD link : CVE-2021-26563

Mitre link : CVE-2021-26563

CVE.ORG link : CVE-2021-26563

JSON object : View

Products Affected

synology

vs960hd_firmware
skynas_firmware
vs960hd
uc3200
diskstation_manager_unified_controller
skynas
diskstation_manager

CWE

CWE-863

Incorrect Authorization

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8.2 /10