Vulnerability · Published Apr 14, 2022 · Assigned by talos

CVE-2021-21956

High 8.2

In plain English

A high-severity unsafe deserialization in Imunify360 from CloudLinux Inc. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.0)8.2High
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
CloudLinux Inc Imunify360 5.85.9

Weakness: CWE-502 · Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

References