Raw vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2026-33613 is a high-severity OS Command Injection (CWE-78) vulnerability in Mbconnectline Mbconnect24. Its CVSS base score is 7.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked at the 40th percentile by exploit likelihood (below the median); 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-2026-33613, published on 2026-04-02, is a remote code execution vulnerability stemming from improper neutralization of special elements used in an OS command within the generateSrpArray function. Classified under CWE-78 (OS Command Injection), it enables full system compromise. The vulnerability carries a CVSS v3.1 base score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H), indicating network accessibility with low attack complexity but requiring high privileges.
Exploitation requires a remote attacker to first have an independent means of writing arbitrary data to the user table. With that prerequisite met and high privileges obtained, the attacker can leverage the unneutralized special elements to inject and execute arbitrary OS commands via the generateSrpArray function, achieving complete system compromise including high confidentiality, integrity, and availability impacts.
Advisories detailing mitigation, such as patches or workarounds, are available in CERT-VDE advisory VDE-2026-030 at https://certvde.com/de/advisories/VDE-2026-030 and the associated CSAF document at https://mbconnectline.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-030.json.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-18173
Vulnerability Data
Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked if the attacker has…
more
some other way to write arbitrary data to the user table.
- 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.