How severe is CVE-2023-40515?

CVE-2023-40515 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 none, integrity none, and availability high.

Is CVE-2023-40515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40515?

CVE-2023-40515 affects Lg Simple Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40515?

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-2023-40515 have an EU (EUVD) identifier?

Yes. CVE-2023-40515 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45086.

When was CVE-2023-40515 published?

CVE-2023-40515 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-40515

CVE-2023-40515 is a high-severity vulnerability in Lg Simple 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45086
Weakness: CWE-20
Affected product: Lg Simple Editor
Published: 2024-05-03
Last modified: 2026-06-17

Description

LG Simple Editor joinAddUser Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the joinAddUser method. The issue results from improper input validation. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. . Was ZDI-CAN-20048.

Frequently asked questions

What is CVE-2023-40515?: LG Simple Editor joinAddUser Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the joinAddUser method. The issue results from improper input validation. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. . Was ZDI-CAN-20048.
How severe is CVE-2023-40515?: CVE-2023-40515 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 none, integrity none, and availability high.
Is CVE-2023-40515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40515?: CVE-2023-40515 affects Lg Simple Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40515?: 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-2023-40515 have an EU (EUVD) identifier?: Yes. CVE-2023-40515 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45086.
When was CVE-2023-40515 published?: CVE-2023-40515 was published on 2024-05-03 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1197/

Affected products (1)

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

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