How severe is CVE-2023-5839?

CVE-2023-5839 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-5839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5839?

CVE-2023-5839 affects Hestiacp Control Panel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5839?

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.

When was CVE-2023-5839 published?

CVE-2023-5839 was published on 2023-10-29 and last updated on 2026-06-17.

CVE-2023-5839

CVE-2023-5839 is a high-severity vulnerability in Hestiacp Control Panel with a CVSS 3.x base score of 7.8. 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-268.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-268
Affected product: Hestiacp Control Panel
Published: 2023-10-29
Last modified: 2026-06-17

Description

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

Frequently asked questions

What is CVE-2023-5839?: Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.
How severe is CVE-2023-5839?: CVE-2023-5839 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-5839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5839?: CVE-2023-5839 affects Hestiacp Control Panel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5839?: 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.
When was CVE-2023-5839 published?: CVE-2023-5839 was published on 2023-10-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hestiacp:control_panel:*:*:*:*:*:*:*:*

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