CVE-2023-40495
Published: 03 May 2024
Summary
CVE-2023-40495 is a high-severity Path Traversal (CWE-22) vulnerability in Lg Simple Editor. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 4.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-40495 is a directory traversal vulnerability in the copyTemplateAll method of LG Simple Editor. The flaw stems from insufficient validation of user-supplied paths before they are used in file operations, enabling remote information disclosure. It carries a CVSS 3.1 score of 7.5 and is tracked under CWE-22; the issue was originally reported as ZDI-CAN-19922.
Unauthenticated remote attackers can exploit the vulnerability over the network to read arbitrary files on affected systems, with disclosure occurring in the context of the SYSTEM account. No user interaction or credentials are required.
The referenced Zero Day Initiative advisory ZDI-23-1201 provides the primary public notification for this issue. The EPSS score has remained flat at a peak of 0.1915 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-45066
Vulnerability details
LG Simple Editor copyTemplateAll Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the copyTemplateAll…
more
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 disclose information in the context of SYSTEM. . Was ZDI-CAN-19922.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Validates pathnames and filenames to prevent traversal outside intended directories.