CVE-2021-27647

Out-of-bounds Read 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
synologyCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
synologydiskstation_manager
𝑥
< 6.2.3-25426-3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.synology.com/security/advisory/Synology_SA_20_26
https://www.zerodayinitiative.com/advisories/ZDI-21-339/
https://www.synology.com/security/advisory/Synology_SA_20_26
https://www.zerodayinitiative.com/advisories/ZDI-21-339/