Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2022-34753 is a high-severity OS Command Injection (CWE-78) vulnerability in Schneider-Electric Spacelogic C-Bus Home Controller Firmware. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 0.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) and AC-6 (Least Privilege) — 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.
A CWE-78 OS command injection vulnerability affects the SpaceLogic C-Bus Home Controller (5200WHC2), formerly known as the C-Bus Wiser Home Controller MK2, in firmware versions 1.31.460 and earlier. The flaw stems from improper neutralization of special elements in operating system commands, allowing an attacker to inject and execute arbitrary commands on the device.
An attacker with network access and low privileges can exploit the issue without user interaction to achieve remote root code execution. The CVSS 3.1 score of 8.8 reflects the combination of network attack vector, low complexity, and full confidentiality, integrity, and availability impact once the command path is compromised.
Schneider Electric's security notification SEVD-2022-193-02 addresses the vulnerability and provides remediation guidance for the affected controller. Public exploit code demonstrating remote root access has been published, and the CVE maintains a high EPSS score with a recorded peak of 0.9692.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-37701
Vulnerability Data
A CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability exists that could cause remote root exploit when the command is compromised. Affected Products: SpaceLogic C-Bus Home Controller (5200WHC2), formerly known as C-Bus Wiser…
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Homer Controller MK2 (V1.31.460 and prior)
- CWE(s)
Related Threats
Likely ATT&CK TechniquesAI
Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation and neutralization of untrusted input used in OS commands, which is the root cause of the CWE-78 flaw allowing remote root execution.
Enforces least privilege on processes and accounts that handle command input, limiting an attacker who bypasses input validation from obtaining root-level execution.
Restricts network-accessible interfaces and ports on the home controller, reducing the attack surface for unauthenticated command-injection attempts from remote adversaries.
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.