Cyber Resilience

CVE-2023-3643

Path Traversal in Carel Boss Mini Firmware 1.4.0

Public PoCHigh EPSSPath Traversal
Published
12 July 2023
Modified
21 November 2024
CVSS Score v3.1 7.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.75 99.5th percentile
Risk Priority 82 floored blend · peak EPSS

Summary

CVE-2023-3643 is a high-severity External Control of File Name or Path (CWE-73) vulnerability in Carel Boss Mini Firmware. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data from Local System (T1005); ranked in the top 0.5% 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-2023-3643 is a critical file inclusion vulnerability in Boss Mini version 1.4.0 Build 6221. It resides in an unspecified portion of the boss/servlet/document file, where unsanitized input to the path argument allows an attacker to include arbitrary files on the server.

The flaw can be triggered remotely by unauthenticated attackers without user interaction. Successful exploitation grants limited read, write, and impact capabilities on the affected system, consistent with the CVSS 7.3 rating under CWE-73.

Public references, primarily Vuldb entries and an associated proof-of-concept disclosure, contain no vendor patch or mitigation guidance. The EPSS score reached a peak of 0.4755 and currently stands at 0.3630, indicating moderate and sustained exploitation interest after public disclosure.

OWASP Top 10 for Web (2025)

A06:2025 Insecure Design

EU & UK References

Vulnerability Data

A vulnerability was found in Boss Mini 1.4.0 Build 6221. It has been classified as critical. This affects an unknown part of the file boss/servlet/document. The manipulation of the argument path leads to file inclusion. It is possible to initiate…

more

the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-233889 was assigned to this vulnerability.

CWE(s)
CWE-73NVD-CWE-Other

Related Threats

MITRE ATT&CK Enterprise Techniques

T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
T1083 File and Directory Discovery Discovery
Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file system.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1574.007 Path Interception by PATH Environment Variable Stealth
Adversaries may execute their own malicious payloads by hijacking environment variables used to load libraries.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-21545Shared CWE-73
CVE-2024-27175Shared CWE-73
CVE-2026-42845Shared CWE-73
CVE-2024-20652Shared CWE-73
CVE-2025-2982Shared CWE-73
CVE-2026-2604Shared CWE-73
CVE-2024-12066Shared CWE-73
CVE-2025-58762Shared CWE-73
CVE-2024-7496Shared CWE-73
CVE-2026-39907Shared CWE-73

Affected Assets

carel
boss mini firmware
1.4.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V5.3.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-73

Rejects externally supplied file or resource identifiers that fail validity checks.

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 full match
prevents

Secure SDLC practices include input validation and path sanitization that eliminate this weakness.

PR.AA-05 mostly match
prevents

Least-privilege file authorization directly limits damage from externally controlled paths.

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.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect path-traversal issues but does not itself implement preventive controls.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle mandates input validation and path-handling controls that directly prevent external file/path manipulation.

A.8.26 Application security requirements partial match
prevents

Application security requirements explicitly call for controls against untrusted input influencing file operations.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles discourage unsafe path construction but do not prescribe concrete file-name controls.

A.8.28 Secure coding partial match
prevents

Secure coding standards require canonicalization, allow-listing, and bounds checks on file paths, directly eliminating CWE-73.

A.8.3 Information access restriction partial match
mitigates

Information access restriction limits which files can be reached, indirectly reducing impact of path manipulation.

References