How severe is CVE-2023-39965?

CVE-2023-39965 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-39965 being actively exploited?

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

What products are affected by CVE-2023-39965?

CVE-2023-39965 affects Fit2cloud 1panel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39965?

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

When was CVE-2023-39965 published?

CVE-2023-39965 was published on 2023-08-10 and last updated on 2026-06-17.

CVE-2023-39965

CVE-2023-39965 is a medium-severity vulnerability in Fit2cloud 1panel with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Fit2cloud 1panel
Published: 2023-08-10
Last modified: 2026-06-17

Description

1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, authenticated attackers can download arbitrary files through the API interface. This code has unauthorized access. Attackers can freely download the file content on the target system. This may cause a large amount of information leakage. Version 1.5.0 has a patch for this issue.

Frequently asked questions

What is CVE-2023-39965?: 1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, authenticated attackers can download arbitrary files through the API interface. This code has unauthorized access. Attackers can freely download the file content on the target system. This may cause a large amount of information leakage. Version 1.5.0 has a patch for this issue.
How severe is CVE-2023-39965?: CVE-2023-39965 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-39965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39965?: CVE-2023-39965 affects Fit2cloud 1panel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39965?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39965 published?: CVE-2023-39965 was published on 2023-08-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fit2cloud:1panel:1.4.3:*:*:*:*:*:*:*

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CVE-2023-39966 — High (CVSS 7.5): 1Panel is an open source Linux server operation and maintenance management panel. In version 1.4.3, an arbitrary file…

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