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TI-2021-08772 Aliases CVE-2021-27231GHSA-g29r-mmqp-whm4

Hestia Control Panel 1.3.5 and below, in a shared-hosting environment, sometimes allows…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01413 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hestiacp:control_panel:*:*:*:*:*:*:*:*up to 1.3.5Vulnerablehestiacp
  • cpe:2.3:a:hestiacp:control_panel:*:*:*:*:*:*:*:* Versions up to 1.3.5 Vulnerable ·hestiacp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27231
  2. 2026-10-03 Alias added: GHSA-g29r-mmqp-whm4

References

Exploit 1

Advisory 2

Other 1

  • TI-2023-05375 Privilege Chaining in hestiacp/hestiacp CVSS 3.1HIGH 7.8
  • TI-2022-02355 OS Command Injection in hestiacp/hestiacp CVSS 3.1HIGH 8.8
  • TI-2023-03249 Cross-site Scripting (XSS) - Reflected in hestiacp/hestiacp CVSS 3.1MEDIUM 6.1
  • TI-2022-01382 Command Injection Vulnerability in hestiacp/hestiacp CVSS 3.1CRITICAL 9.9
  • TI-2025-21382 HestiaCP < 1.9.5 Authenticated OS Command Injection via DNS Record Management CVSS 4.0HIGH 8.7
  • TI-2021-02728 Use of Wrong Operator in String Comparison in hestiacp/hestiacp CVSS 3.1CRITICAL 9.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences