CVE-2021-26566

Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.

CVSS v3 9.0 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

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.talosintelligence.com/vulnerability_reports/TALOS-2020-1160	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

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

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

Configuration 3 (hide)

AND

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

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

Configuration 4 (hide)

AND

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

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

History

No history.

Information

Published : 2021-02-26 22:15

Updated : 2022-10-24 17:03

NVD link : CVE-2021-26566

Mitre link : CVE-2021-26566

CVE.ORG link : CVE-2021-26566

JSON object : View

Products Affected

synology

diskstation_manager
skynas
skynas_firmware
vs960hd
vs960hd_firmware
uc3200
diskstation_manager_unified_controller

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-201

Insertion of Sensitive Information Into Sent Data

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