CVE-2026-21410

InSAT MasterSCADA BUK-TS is susceptible to SQL Injection through its main web interface. Malicious users that use the vulnerable endpoint are potentially able to cause remote code execution.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json	Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-01	US Government Resource VDB Entry Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:insat:masterscada:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-24 21:16

Updated : 2026-02-27 03:13

NVD link : CVE-2026-21410

Mitre link : CVE-2026-21410

CVE.ORG link : CVE-2026-21410

JSON object : View

Products Affected

insat

masterscada

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

{"id": "CVE-2026-21410", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-24T21:16:25.790", "references": [{"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json", "tags": ["Third Party Advisory"], "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-01", "tags": ["US Government Resource", "VDB Entry", "Third Party Advisory"], "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-89"}]}], "descriptions": [{"lang": "en", "value": "InSAT MasterSCADA BUK-TS is susceptible to SQL Injection through its main web interface. Malicious users that use the vulnerable endpoint are potentially able to cause remote code execution."}, {"lang": "es", "value": "InSAT MasterSCADA BUK-TS es susceptible a inyecci\u00f3n SQL a trav\u00e9s de su interfaz web principal. Los usuarios maliciosos que utilizan el endpoint vulnerable son, potencialmente, capaces de causar ejecuci\u00f3n remota de c\u00f3digo."}], "lastModified": "2026-02-27T03:13:28.340", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insat:masterscada:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56A21FFF-7C80-486C-87B5-FC8A0C96599A"}], "operator": "OR"}]}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}