How severe is CVE-2023-40517?

CVE-2023-40517 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-40517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40517?

CVE-2023-40517 affects Lg Supersign Media Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40517?

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

Does CVE-2023-40517 have an EU (EUVD) identifier?

Yes. CVE-2023-40517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45088.

When was CVE-2023-40517 published?

CVE-2023-40517 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-40517

CVE-2023-40517 is a high-severity vulnerability in Lg Supersign Media Editor with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45088
Weakness: CWE-22
Affected product: Lg Supersign Media Editor
Published: 2024-05-03
Last modified: 2026-06-17

Description

LG SuperSign Media Editor ContentRestController getObject Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of LG SuperSign Media Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getObject method implemented in the ContentRestController class. 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-20328.

Frequently asked questions

What is CVE-2023-40517?: LG SuperSign Media Editor ContentRestController getObject Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of LG SuperSign Media Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getObject method implemented in the ContentRestController class. 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-20328.
How severe is CVE-2023-40517?: CVE-2023-40517 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-40517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40517?: CVE-2023-40517 affects Lg Supersign Media Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-40517 have an EU (EUVD) identifier?: Yes. CVE-2023-40517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45088.
When was CVE-2023-40517 published?: CVE-2023-40517 was published on 2024-05-03 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1219/

Affected products (1)

cpe:2.3:a:lg:supersign_media_editor:3.11.3_20171108:*:*:*:*:*:*:*

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