#VU55846 Security features bypass in cPanel - CVE-2021-38589

Vulnerability identifier: #VU55846

Vulnerability risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-38589

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cPanel
Web applications / Remote management & hosting panels

Vendor: cPanel, Inc

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a flaw in scripts/fix-cpanel-perl. A remote attacker can send a specially crafted request and overwrite arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cPanel: 96.0.0 - 96.0.11

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External links
https://docs.cpanel.net/changelogs/96-change-log/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.