CVE-2021-21956

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A php unserialize vulnerability exists in the Ai-Bolit functionality of CloudLinux Inc Imunify360 5.10.2. A specially-crafted malformed file can lead to potential arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

VendorProductVersions
CloudLinux IncImunify3605.8; 5.9

References

Timeline

Published
Apr 14, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21956: High severity, CVSS 7.8 | Vulnix