CVE-2023-2647
Command Injection in Weaver E-Office 9.5
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-2647 is a medium-severity Command Injection (CWE-77) vulnerability in Weaver E-Office. Its CVSS base score is 6.3 (Medium).
Operationally, ranked in the top 6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
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-2023-2647 is a command-injection vulnerability (CWE-77) affecting the file-upload handler in Weaver E-Office version 9.5. The flaw resides in an unspecified function inside /webroot/inc/utility_all.php; crafted input supplied to this component is executed as operating-system commands. The issue carries a CVSS 3.1 base score of 6.3 with network attack vector, low complexity, and low-privileged authentication requirements.
An authenticated remote attacker can send a malicious request to the affected endpoint and obtain limited read, write, and execution capabilities on the underlying host. Public proof-of-concept code demonstrating the injection has been published, confirming that exploitation does not require user interaction or special network positioning.
Vendor contact prior to disclosure received no response, and the referenced advisories contain no mitigation guidance or patch information. The associated EPSS score has remained flat at 0.1369 since publication, indicating no measurable increase in observed exploitation activity.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-34113
Vulnerability Data
A vulnerability was found in Weaver E-Office 9.5 and classified as critical. Affected by this issue is some unknown functionality of the file /webroot/inc/utility_all.php of the component File Upload Handler. The manipulation leads to command injection. The attack may be…
more
launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-228776. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
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Affected Assets
Mitigating Controls
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.
A.8.25 mandates secure SDLC practices including secure coding guidelines, security requirements, checkpoints, testing (scans/penetration), and developer training that reduce command injection defects, but leaves a minority slice (e.g. incomplete implementation of those practices, outsourced development without full assurance, or post-SDLC changes) where the weakness can still arise and be exploitable.
Application security requirements explicitly call for controls against injection flaws including command injection.
A.8.27 mandates security-by-design principles (e.g. distrust external input, secure session control, data validation/sanitization, least privilege) and design reviews that can stop command injection from being introduced, but this is only a minority slice of CWE-77 because the weakness can still arise in code that bypasses those principles, in non-reviewed components, or in runtime injection vectors the architecture review does not reach.
Secure coding standards require proper escaping and parameterization of commands, directly eliminating CWE-77.
Security testing in development catches command-injection vulnerabilities before release.
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.
- No fine-grained STIG row for CWE-77, a class-level weakness, and none of its children carries one either.