CVE-2021-27646

Use After Free 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 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.zerodayinitiative.com/advisories/ZDI-21-339/	Not Applicable
https://www.zerodayinitiative.com/advisories/ZDI-21-340/	Third Party Advisory VDB Entry
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-339/	Not Applicable
https://www.zerodayinitiative.com/advisories/ZDI-21-340/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

History

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
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-21-339/ - Not Applicable~~	() https://www.zerodayinitiative.com/advisories/ZDI-21-339/ - Not Applicable
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-21-340/ - Third Party Advisory, VDB Entry~~	() https://www.zerodayinitiative.com/advisories/ZDI-21-340/ - Third Party Advisory, VDB Entry

Information

Published : 2021-03-12 07:15

Updated : 2024-11-21 05:58

NVD link : CVE-2021-27646

Mitre link : CVE-2021-27646

CVE.ORG link : CVE-2021-27646

JSON object : View

Products Affected

synology

diskstation_manager

CWE

CWE-416

Use After Free

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