CVE-2021-26569

Race Condition within a Thread vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.

CVSS v3 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

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

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.zerodayinitiative.com/advisories/ZDI-21-338/	Third Party Advisory VDB Entry
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-338/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

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::::::::

Information

Published : 2021-03-12 07:15

Updated : 2025-01-14 19:29

NVD link : CVE-2021-26569

Mitre link : CVE-2021-26569

CVE.ORG link : CVE-2021-26569

JSON object : View

Products Affected

synology

diskstation_manager

CWE

CWE-366

Race Condition within a Thread

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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