Cyber Resilience

CVE-2023-40509

Critical

Published: 03 May 2024

Published
03 May 2024
Modified
10 April 2025
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0191 83.7th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-40509 is a critical-severity Path Traversal (CWE-22) vulnerability in Lg Simple Editor. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 16.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

LG Simple Editor deleteCanvas Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the…

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deleteCanvas method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files in the context of SYSTEM. . Was ZDI-CAN-20011.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

lg
simple editor
3.21.0

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.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References