Back to Database
Status published
High
CVE-2021-21956
A php unserialize vulnerability exists in the Ai-Bolit functionality of...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-21956
Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
CloudLinux Inc
View all reports →Affected Software
Imunify360
Vulnerable Versions:
5.8, 5.9
Timeline
Official Publish:
April 14th, 2022
Last Modified:
April 15th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N