CVE-2021-27231

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.

• https://github.com/hestiacp/hestiacp/issues/1622Third Party Advisory
• https://github.com/sickcodes/security/blob/master/advisories/sick-2021-006.mdBroken Link
• https://sick.codes/sick-2021-006Exploit, Third Party Advisory
• https://www.hestiacp.com/Vendor Advisory
• https://github.com/hestiacp/hestiacp/issues/1622Third Party Advisory
• https://github.com/sickcodes/security/blob/master/advisories/sick-2021-006.mdBroken Link
• https://sick.codes/sick-2021-006Exploit, Third Party Advisory
• https://www.hestiacp.com/Vendor Advisory

Published

Feb 16, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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