Cyber Resilience

CVE-2023-50729

High

Published: 15 January 2024

Published
15 January 2024
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0007 21.6th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-50729 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Traccar Traccar. Its CVSS base score is 8.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 21.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Traccar is an open source GPS tracking system. Prior to 5.11, Traccar is affected by an unrestricted file upload vulnerability in File feature allows attackers to execute arbitrary code on the server. This vulnerability is more prevalent because Traccar is…

more

recommended to run web servers as root user. It is also more dangerous because it can write or overwrite files in arbitrary locations. Version 5.11 was published to fix this vulnerability.

CWE(s)
CWE-434

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

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 →
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
attack.mitre.org →
T1105 Ingress Tool Transfer Command And Control
Adversaries may transfer tools or other files from an external system into a compromised environment.
attack.mitre.org →
Why these techniques?

Unrestricted file upload with path traversal (CWE-23, CWE-434) in public-facing web app enables exploitation for initial access (T1190), uploading tools/malware (T1105), deploying and using web shells for execution/persistence (T1100, T1505.003), leading to RCE as root.

Affected Assets

traccar
traccar
≤ 5.11

Mitigating Controls

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.

MP-7 Media Use
addresses: CWE-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

SC-44 Detonation Chambers
addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

SC-51 Hardware-based Protection
addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

SI-3 Malicious Code Protection
addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

References