CVE-2021-47871

Hestia Control Panel 1.3.2 - Arbitrary File Write

HIGH
8.8
CVSS Score
Published: January 21, 2026 at 05:27 PM UTC
Updated: June 17, 2026 at 04:18 AM UTC
2 products affected across 2 vendorsControl PanelHestia Control Panel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

Hestia Control Panel 1.3.2 contains an arbitrary file write vulnerability that allows authenticated attackers to write files to arbitrary locations using the API index.php endpoint. Attackers can exploit the v-make-tmp-file command to write SSH keys or other content to specific file paths on the server.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-73

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