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CVE-2026-21410 β€” AI Deep Analysis Summary

CVSS 9.8 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: SQL Injection in InSAT MasterSCADA BUK-TS Web Interface. πŸ’₯ **Consequences**: Remote Code Execution (RCE). Critical threat to Industrial Control Systems (ICS).

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-89** (SQL Injection). Flaw lies in the main Web interface's handling of user input, allowing malicious SQL commands.

Q3Who is affected? (Versions/Components)

🏭 **Affected**: **InSAT MasterSCADA BUK-TS**. Russian ICS component. Specific versions not listed, but the product line is at risk.

Q4What can hackers do? (Privileges/Data)

πŸ’€ **Attacker Capabilities**: Full **Remote Code Execution**. Can steal data (C:H), modify systems (I:H), and disrupt operations (A:H). CVSS Score: Critical.

Q5Is exploitation threshold high? (Auth/Config)

⚑ **Exploitation**: **Low Threshold**. AV:N (Network), AC:L (Low Complexity), PR:N (No Privileges), UI:N (No User Interaction). Easy to exploit remotely.

Q6Is there a public Exp? (PoC/Wild Exploitation)

πŸ“‚ **Public Exp?**: No specific PoC code provided in data. However, CISA Advisory (ICSA-26-055-01) confirms severity. Wild exploitation likely given low barrier.

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan for **InSAT MasterSCADA BUK-TS** web interfaces. Look for SQL injection patterns in HTTP requests to the main web portal.

Q8Is it fixed officially? (Patch/Mitigation)

πŸ”§ **Fix Status**: Official patch info not detailed in snippet. Refer to **CISA ICSA-26-055-01** for vendor guidance and official mitigation steps.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Isolate the web interface. Block external access. Implement WAF rules to filter SQL injection payloads. Monitor logs intensely.

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: **CRITICAL**. CVSS 3.1 High Severity. Immediate action required. Protect critical infrastructure from remote takeover.