CVE-2021-27231

MEDIUM 5.4CVE-2021-27231 · Published 16/02/2021 · updated 17/06/2026

In short

CVE-2021-27231 is a MEDIUM (CVSS 5.4) vulnerability affecting control panel (hestiacp).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 72.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
control panel hestiacp	`≤ 1.3.5`	No fix yet

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.

References

hestiacp/hestiacp · Third Party Advisory
sickcodes/security · Broken Link
sick.codes/sick-2021-006 · Exploit
hestiacp.com · Vendor Advisory

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Package

Affected versions

Patched versions

control panel

hestiacp

≤ 1.3.5

No fix yet

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