Critical severity9.8NVD Advisory· Published Mar 12, 2021· Updated Jun 17, 2026
CVE-2021-27646
CVE-2021-27646
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3<6.2.3-25426-3+ 2 more
- (no CPE)range: <6.2.3-25426-3
- (no CPE)range: unspecified
- cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*range: <6.2.3-25426-3
Patches
Vulnerability mechanics
References
3- www.synology.com/security/advisory/Synology_SA_20_26nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-340/nvdThird Party AdvisoryVDB Entry
- www.zerodayinitiative.com/advisories/ZDI-21-339/nvdNot Applicable
News mentions
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