Raw vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2025-20016 is a high-severity OS Command Injection (CWE-78) vulnerability in Jvn (inferred from references). Its CVSS base score is 7.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 36% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2025-20016 is an OS command injection vulnerability, tracked under CWE-78, that affects the web management interface of Y'S corporation STEALTHONE D220, D340, and D440 network storage servers. The flaw permits an authenticated administrator to supply crafted input that results in execution of arbitrary operating-system commands on the underlying host.
An attacker who already possesses administrative credentials and network access to the management page can leverage the injection to achieve full control over the affected appliance, including the ability to read, modify, or delete data and to alter system behavior. The reported CVSS 7.2 score reflects the high impact across confidentiality, integrity, and availability when the required administrative privileges are present.
Vendor advisories referenced in JVN VU99653331 and the STEALTHONE firmware release notes indicate that the issue is addressed by applying the updated firmware versions D220/D340 v6-03-03 or D440 v7-00-11. Administrators are advised to install these releases and restrict management-interface exposure.
The EPSS score rose from a low baseline to a peak of 0.0207 on 2025-12-11 before receding to its current value of 0.0071, indicating a measurable but temporary increase in exploitation interest after public disclosure. No confirmed in-the-wild exploitation has been reported.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-2141
Vulnerability Data
OS command injection vulnerability exists in network storage servers STEALTHONE D220/D340/D440 provided by Y'S corporation. A user with an administrative privilege who logged in to the web management page of the affected product may execute an arbitrary OS command.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5V1.2.8V15.2.5
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover missing or incorrect command sanitization during development.
Input validation directly neutralizes or rejects special characters that would otherwise alter OS command structure.
Least privilege reduces the permissions available to any process that could be subverted by injected commands.
Least functionality restricts available OS commands and interpreters, limiting the blast radius of injection.
Secure engineering principles require proper neutralization of untrusted input before command construction.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.