CVE-2020-15420

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-28 · updated 2026-06-17
Weakness: CWE-78

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of CentOS Web Panel cwp-el7-0.9.8.891. Authentication is not required to exploit this vulnerability. The specific flaw exists within loader_ajax.php. When parsing the line parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9259.

Affected products

CentOS Web Panel: 0.9.8.891

References

https://www.zerodayinitiative.com/advisories/ZDI-20-737/
https://www.zerodayinitiative.com/advisories/ZDI-20-737/

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