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Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h Global data_breach Multiple sectors HIGH 3h Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h Global data_breach Multiple sectors HIGH 3h Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h Global data_breach Multiple sectors HIGH 3h
Vulnerabilities

CVE-2021-26828

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
OpenPLC ScadaBR Unrestricted File Upload Vulnerability (CVE-2021-26828)
Published: Dec 3, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability — OpenPLC ScadaBR contains an unrestricted upload of file with dangerous type vulnerability that allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

🤖 AI Executive Summary

OpenPLC ScadaBR contains an unrestricted file upload vulnerability allowing authenticated users to upload and execute arbitrary JSP files. This enables remote code execution on affected SCADA systems used in critical infrastructure.

📄 Description (Arabic)

تتعلق الثغرة بعدم التحقق من نوع الملفات المرفوعة عبر واجهة view_edit.shtm في نظام OpenPLC ScadaBR. يمكن للمستخدمين المصرح لهم تحميل ملفات JSP ضارة وتنفيذها على الخادم. هذا يؤدي إلى السيطرة الكاملة على نظام SCADA والبنية التحتية المرتبطة به.

🤖 ملخص تنفيذي (AI)

OpenPLC ScadaBR يحتوي على ثغرة تحميل ملفات غير مقيدة تسمح للمستخدمين المصرح لهم بتحميل وتنفيذ ملفات JSP عشوائية. هذا يمكن المهاجمين من تنفيذ أكواد بعيدة على أنظمة SCADA الحرجة.

🤖 AI Intelligence Analysis Analyzed: Apr 21, 2026 19:04
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade OpenPLC ScadaBR to patched version immediately. Implement strict file upload validation with whitelist of allowed file types. Restrict file upload functionality to authorized administrators only. Deploy Web Application Firewall (WAF) rules to block JSP file uploads. Monitor upload directories for suspicious files.
🔧 خطوات المعالجة (العربية)
قم بترقية OpenPLC ScadaBR إلى النسخة المصححة فوراً. طبق التحقق الصارم من تحميل الملفات باستخدام قائمة بيضاء للأنواع المسموحة. قيد وظيفة تحميل الملفات للمسؤولين المصرح لهم فقط. نشر قواعد جدار حماية تطبيقات الويب لحجب تحميل ملفات JSP. راقب مجلدات التحميل للملفات المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.8.2.1 A.8.2.3 A.12.4.1
🔵 SAMA CSF
ID.AM-2 PR.AC-1 PR.PT-1
🟡 ISO 27001:2022
A.6.1.1 A.13.1.3 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
OpenPLC:ScadaBR
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS80.02%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-12-24
Published 2025-12-03
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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