by Kastro
Paper/Archive/CVE-2026-56415

CVE-2026-56415

Stonefly Storage Concentrator — OS Command Injection in StoneFly Storage Concentrator

EPSS 4%CVSS 10.0
critical.is priorityof 100
48
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 91.2.912 × 2018.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is reachable without authentication. A remote attacker can submit a specially crafted HTTP request containing a malicious payload that is processed without adequate input sanitization, resulting in arbitrary command execution with root-level privileges on the underlying system.

Affected

ProductAffectedFixed inSource
Storage Concentrator< 8.0.4.228.0.4.22CNA
Storage Concentrator Virtual Machine< 8.0.4.228.0.4.22CNA

Scores by source

icscert (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
icscert (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-26-181-06refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-06.jsonrefstonefly.com/contact-us