Is CVE-2021-30463 actively exploited?

No active exploitation of CVE-2021-30463 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-30463 be exploited remotely?

No. CVE-2021-30463 requires local access to exploit.

What is the CVSS score of CVE-2021-30463?

CVE-2021-30463 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2021-30463

CWE-59Published: April 8, 2021· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

VestaCP through 0.9.8-24 allows attackers to gain privileges by creating symlinks to files for which they lack permissions. After reading the RKEY value from user.conf under the /usr/local/vesta/data/users/admin directory, the admin password can be changed via a /reset/?action=confirm&user=admin&code= URI. This occurs because chmod is used unsafely.

NVD Source

Technical Analysis

CVE-2021-30463 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.