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Vulnerability record · CVE-2021-27231 · published 16 February 2021

CVE-2021-27231: Hestiacp control panel vulnerability

Hestiacp · Control Panel

Hestia Control Panel 1.3.5 and below, in a shared-hosting environment, sometimes allows remote authenticated users to create a subdomain for a different customer's domain name, leading to spoofing of services or email messages.

5.4 CVSS 3.1 Medium EPSS 1.4% · top 28.0%
5.4CVSS 3.1 base score, v2 5.5
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Hestia Control Panel 1.3.5 and below, in a shared-hosting environment, sometimes allows remote authenticated users to create a subdomain for a different customer's domain name, leading to spoofing of services or email messages.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/hestiacp/hestiacp/issues/1622 Third Party Advisory
https://github.com/sickcodes/security/blob/master/advisories/sick-2021-006.md Broken Link
https://sick.codes/sick-2021-006 ExploitThird Party Advisory
https://www.hestiacp.com/ Vendor Advisory
https://github.com/hestiacp/hestiacp/issues/1622 Third Party Advisory
https://github.com/sickcodes/security/blob/master/advisories/sick-2021-006.md Broken Link
https://sick.codes/sick-2021-006 ExploitThird Party Advisory
https://www.hestiacp.com/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-3797Hestiacp control panel vulnerabilityhestiacp is vulnerable to Use of Wrong Operator in String ComparisonEPSS 1.1%8.8CVE-2022-2636Hestiacp control panel code injection vulnerabilityImproper Control of Generation of Code ('Code Injection') in GitHub repository hestiacp/hestiacp prior to 1.6.6.EPSS 1.3%8.8CVE-2022-2550HestiaCP control panel OS command injectionHestiaCP versions prior to 1.6.5 contain an OS command injection flaw (CWE-78) in the control panel. A remote attacker with low-privileged credential…EPSS 48%analysed8.8CVE-2022-1509Hestiacp control panel command injection vulnerabilityCommand Injection Vulnerability in GitHub repository hestiacp/hestiacp prior to 1.5.12. An authenticated remote attacker with low privileges can exec…EPSS 4.5%8.7CVE-2025-30007Hestiacp control panel os command injection vulnerabilityHestiaCP before 1.9.5 contains an authenticated OS command injection vulnerability that allows low-privilege authenticated users to execute arbitrary…EPSS 3.2%7.8CVE-2023-5839Hestiacp control panel vulnerabilityPrivilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.EPSS 0.29%7.2CVE-2022-2626Hestiacp control panel vulnerabilityIncorrect Privilege Assignment in GitHub repository hestiacp/hestiacp prior to 1.6.6.EPSS 1.3%6.5CVE-2020-10966Hestiacp control panel vulnerabilityIn the Password Reset Module in VESTA Control Panel through 0.9.8-25 and Hestia Control Panel before 1.1.1, Host header manipulation leads to account…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2021-27231), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.