CVE-2021-21956 — HIGH (7.8)

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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cloudlinux	Imunify360	5.8

Related Weaknesses (CWE)

CWE-502

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1383ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1383ExploitThird Party Advisory

FAQ

What is CVE-2021-21956?

CVE-2021-21956 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 attac...

How severe is CVE-2021-21956?

CVE-2021-21956 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21956?

Check the references section above for vendor advisories and patch information. Affected products include: Cloudlinux Imunify360.