CVE-2023-40493

Name: CVE-2023-40493
Creator: NVD / NIST
Published: 2024-05-03T03:15:23.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.39%

Last modified Jun 17, 2026

CVE-2023-40493 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. LG Simple Editor copySessionFolder Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of LG Simple Editor. EPSS estimates a 2.39% chance of exploitation in the next 30 days.

Description

LG Simple Editor copySessionFolder Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the copySessionFolder command. 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 execute code in the context of SYSTEM. . Was ZDI-CAN-19920.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.39%

81.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Lg	Simple Editor	3.21.0

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1199/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1199/Third Party Advisory

Timeline

Published: May 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-40493?

How severe is CVE-2023-40493?

CVE-2023-40493 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40493?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40493?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST