Paper/Archive/CVE-2021-27647

CVE-2021-27647

Synology Synology DiskStation Manager (DSM) — Out-of-bounds Read vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote att…

EPSS 3%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 88.3.883 × 2017.7 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Synology DiskStation Manager (DSM)unspecified – < 6.2.3-25426-36.2.3-25426-3CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

synology (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsynology.com/security/advisory/Synology_SA_20_26 refzerodayinitiative.com/advisories/ZDI-21-339