OS command injection in CentOS Web Panel
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CentOS Web Panel | CentOS Web Panel | cwp-el7-0.9.8.891 | — | No fix listed | CNA |
- CentOS Web Panel VendorCentOS Web Panel Affected cwp-el7-0.9.8.891 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:control-webpanel:webpanel:0.9.8.891:*:*:*:*:*:*:* | 0.9.8.891 | Vulnerable | Control Web Panel |
- cpe:2.3:a:control-webpanel:webpanel:0.9.8.891:*:*:*:*:*:*:* Versions 0.9.8.891 Vulnerable ·Control Web Panel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15420
- 2026-10-03 Alias added: GHSA-g9mp-5jc3-5976
References
More CentOS Web Panel vulnerabilities
- TI-2025-30935 OS command injection in CentOS Web Panel KEVCVSS 3.1CRITICAL 9.0
- TI-2020-12298 This vulnerability allows remote attackers to write arbitrary files on affected… CVSS 3.1CRITICAL 9.8
- TI-2020-12290 OS command injection in CentOS Web Panel CVSS 3.1CRITICAL 9.8
- TI-2020-12289 OS command injection in CentOS Web Panel CVSS 3.1CRITICAL 9.8
- TI-2020-12288 OS command injection in CentOS Web Panel CVSS 3.1CRITICAL 9.8
- TI-2020-12287 OS command injection in CentOS Web Panel CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-15420 · CVE Program
- CVE-2020-15420 · NVD
- FIRST EPSS
- GHSA-g9mp-5jc3-5976 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences