--- title: "CX-2021-4794" date: "2021-06-21T07:00:00+00:00" url: "https://checkmarx.com/zero/vulnerabilities/cx-2021-4794/" --- # CX-2021-4794 [Disclosed vulnerabilities](https://checkmarx.com/zero/vulnerabilities/) Fixed: May 10, 2021 CVE-2021-33356 **Published:** Jun 21, 2021 9.9 Critical Severity IOT Privilege Escalation RaspAP OI Omri Inbar Reported by Checkmarx Zero Details Overview ## Summary RaspAP prior to version 2.6.6 is vulnerable to Privilege Escalation ## Product RaspAP prior to 2.6.6 ## Impact Chaning this vulnerability with another one (see CVE-2021-33357 and CVE-2021-33358) enables an attacker to execute arbitrary commands with root privilages on the RaspAP instance. ## Steps to reproduce 1. Using CVE-2021-33357 or CVE-2021-33358, appent a command to /etc/raspap/lighttpd/configport.sh. 2. Run the script with sudo. You won’t be asked for a password and the command will be run as root. ### Expected result: The file should only be editable to root. ## Remediation This issue was fixed in version 2.6.6 through the [commit](https://github.com/RaspAP/raspap-webgui/commit/061d01cbd56411adbe52a313ff8d04e2bfa893bc). ## Credit This issue was discovered and reported by Checkmarx Security Researcher [Omri Inbar](https://www.linkedin.com/in/omri-inbar-4629a6110/). ## Resources 1. [(cae2031)](https://github.com/RaspAP/raspap-webgui/commit/061d01cbd56411adbe52a313ff8d04e2bfa893bc) 0 Critical Severity CVSS v3.1 Score 9.9 CVSS v3.1 Vectors- Attack Vector: Network - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Changed - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High Advisory Timeline1. Disclosed Apr 21, 2021 Notified the maintainer 2. Fixed May 10, 2021 Fix got released ## Explore more findings [27 Nov 2025 CVE-2025-34281 Stored Cross-Site Scripting (XSS) in ThingsBoard 6.2 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-34281/) [17 Jan 2025 CVE-2025-0825 HTTP Response Splitting in cpp-httplib 6.9 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-0825/) [17 Jun 2025 CVE-2025-6050 Stored Cross-Site Scripting (XSS) in Mezzanine CMS Admin Interface 4.8 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-6050/) [12 Dec 2024 CVE-2024-8374 Code Injection in UltiMaker Cura 7.8 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-8374/) [14 Nov 2024 CVE-2024-52526 Stored Cross-site Scripting in @LibreNMS/LibreNMS Services Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-52526/) [14 Nov 2024 CVE-2024-51497 Stored Cross-site Scripting in @LibreNMS/LibreNMS Custom OID Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51497/) [14 Nov 2024 CVE-2024-51496 Reflected Cross-site Scripting in @LibreNMS/LibreNMS /wireless and /health endpoints 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51496/) [ 14 Nov 2024 CVE-2024-51495 Stored Cross-site Scripting in @LibreNMS/LibreNMS Device Overview `overwrite\_ip` Field 7.5 Visit the page ](https://checkmarx.com/zero/vulnerabilities/cve-2024-51495/) [14 Nov 2024 CVE-2024-51494 Stored Cross-site Scripting in @LibreNMS/LibreNMS Port Settings 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51494/) [14 Nov 2024 CVE-2024-50352 Stored Cross-site Scripting in @LibreNMS/LibreNMS Services Section of Device Overview 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50352/) [14 Nov 2024 CVE-2024-50351 Reflected Cross-site Scripting in @LibreNMS/LibreNMS Logs Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50351/) [14 Nov 2024 CVE-2024-50350 Stored Cross-site Scripting in @LibreNMS/LibreNMS Port Settings Port Group 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50350/)