Vulnerability · Published Jan 21, 2026 · Assigned by VulnCheck

CVE-2021-47871Hestia Control Panel 1.3.2 - Arbitrary File Write

High 8.8

In plain English

A high-severity security flaw in Hestia Control Panel from Hestia Control Panel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 57.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Hestia Control Panel Hestia Control Panel 1.3.3

Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References