How severe is CVE-2023-4931?

CVE-2023-4931 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2023-4931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4931?

CVE-2023-4931 affects Plesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4931 published?

CVE-2023-4931 was published on 2023-11-27 and last updated on 2026-06-17.

CVE-2023-4931

CVE-2023-4931 is a medium-severity vulnerability in Plesk with a CVSS 3.x base score of 6.3. 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-427.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Plesk
Published: 2023-11-27
Last modified: 2026-06-17

Description

Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.

Frequently asked questions

What is CVE-2023-4931?: Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.
How severe is CVE-2023-4931?: CVE-2023-4931 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2023-4931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4931?: CVE-2023-4931 affects Plesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4931 published?: CVE-2023-4931 was published on 2023-11-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:plesk:plesk:3.27.0.0:*:*:*:*:*:*:*

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Other CWE-427 (Uncontrolled Search Path Element) vulnerabilities

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