ByteOS Network

NVD Vulnerability Details :

CVE-2021-27646

Modified

Source-security@synology.com

Published At-12 Mar, 2021 | 07:15

Updated At-14 Jan, 2025 | 19:29

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P

CPE Matches

Synology, Inc.

>>diskstation_manager>>Versions before 6.2.3-25426-3(exclusive)

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

Weaknesses

CWE ID	Type	Source
CWE-416	Secondary	security@synology.com
CWE-416	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://www.synology.com/security/advisory/Synology_SA_20_26	security@synology.com	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-339/	security@synology.com	Not Applicable
https://www.zerodayinitiative.com/advisories/ZDI-21-340/	security@synology.com	Third Party Advisory VDB Entry
https://www.synology.com/security/advisory/Synology_SA_20_26	af854a3a-2127-422b-91ae-364da2661108	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-339/	af854a3a-2127-422b-91ae-364da2661108	Not Applicable
https://www.zerodayinitiative.com/advisories/ZDI-21-340/	af854a3a-2127-422b-91ae-364da2661108	Third Party Advisory VDB Entry

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History