How severe is CVE-2023-40505?

CVE-2023-40505 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40505 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40505?

CVE-2023-40505 affects Lg Simple Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40505?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-40505 have an EU (EUVD) identifier?

Yes. CVE-2023-40505 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45076.

When was CVE-2023-40505 published?

CVE-2023-40505 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-40505

CVE-2023-40505 is a critical-severity vulnerability in Lg Simple Editor with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45076
Weakness: CWE-78
Affected product: Lg Simple Editor
Published: 2024-05-03
Last modified: 2026-06-17

Description

LG Simple Editor createThumbnailByMovie Command Injection 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 createThumbnailByMovie method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-19978.

Frequently asked questions

What is CVE-2023-40505?: LG Simple Editor createThumbnailByMovie Command Injection 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 createThumbnailByMovie method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-19978.
How severe is CVE-2023-40505?: CVE-2023-40505 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40505 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40505?: CVE-2023-40505 affects Lg Simple Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40505?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-40505 have an EU (EUVD) identifier?: Yes. CVE-2023-40505 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45076.
When was CVE-2023-40505 published?: CVE-2023-40505 was published on 2024-05-03 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1209/

Affected products (1)

cpe:2.3:a:lg:simple_editor:3.21.0:*:*:*:*:*:*:*

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