CVE-2026-56413

OS Command Injection in StoneFly Storage Concentrator

CVSS 10 CRITICALCWE-78

Vexday Risk Score

25Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 10EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens on TCP port 9000 by default and accepts custom network packets to perform device actions. An unauthenticated remote attacker can send a specially crafted packet containing a malicious payload that is processed without adequate sanitization, resulting in arbitrary command execution with root-level privileges.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L

Affected products

StoneFly · Storage Concentrator StoneFly · Storage Concentrator Virtual Machine

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References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-06.json https://stonefly.com/contact-us/https://www.cisa.gov/news-events/ics-advisories/icsa-26-181-06