How severe is CVE-2023-53941?

CVE-2023-53941 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-2023-53941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53941?

CVE-2023-53941 affects Easyphp Webserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53941?

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-2023-53941 have an EU (EUVD) identifier?

Yes. CVE-2023-53941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204341.

When was CVE-2023-53941 published?

CVE-2023-53941 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2023-53941

CVE-2023-53941 is a critical-severity vulnerability in Easyphp Webserver 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)
CVSS v4: 9.3
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204341
Weakness: CWE-78
Affected product: Easyphp Webserver
Published: 2025-12-18
Last modified: 2026-06-17

Description

EasyPHP Webserver 14.1 contains an OS command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by injecting malicious payloads through the app_service_control parameter. Attackers can send POST requests to /index.php?zone=settings with crafted app_service_control values to execute commands with administrative privileges.

Frequently asked questions

What is CVE-2023-53941?: EasyPHP Webserver 14.1 contains an OS command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by injecting malicious payloads through the app_service_control parameter. Attackers can send POST requests to /index.php?zone=settings with crafted app_service_control values to execute commands with administrative privileges.
How severe is CVE-2023-53941?: CVE-2023-53941 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-2023-53941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53941?: CVE-2023-53941 affects Easyphp Webserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53941?: 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-2023-53941 have an EU (EUVD) identifier?: Yes. CVE-2023-53941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204341.
When was CVE-2023-53941 published?: CVE-2023-53941 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:easyphp:webserver:14.1:*:*:*:*:*:*:*

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