Critical severity · published Feb 24, 2026
CVE-2026-21410
InSAT MasterSCADA BUK-TS SQL Injection
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
MasterSCADA BUK-TS · InSAT
All versions · source: vendor
MA
Masterscada · Insat
All versions, or not specified · source: NVD
In the news
VulnerabilityMedium
InSAT MasterSCADA BUK-TS
View CSAF Summary Successful exploitation of these vulnerabilities may allow remote code execution. The following versions of InSAT MasterSCADA BUK-TS are affected: MasterSCADA BUK-TS vers:all/* (CVE-2026-21410, CVE-2026-22553) CVSS Vendor Equipment Vulnerabilities v3 9.8 InSAT InSAT MasterSCADA BUK-TS Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'), Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Background Critical Infrastructure Sectors: Critical Manufacturing, Energy, Water and Wastewater Countries/Areas Deployed: Worldwide Company Headquarters Location: Russia Vulnerabilities Expand All + 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. View CVE Details Affected Products InSAT MasterSCADA BUK-TS Vendor: InSAT Product Version: InSAT MasterSCADA BUK-TS: vers:all/* Product Status: known_affected Remediations Mitigation InSAT has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of the affected products are encouraged to contact info@insat.ru or scada@insat.ru for additional information. Mitigation InSAT has not responded to requests to work with CISA to mitigate these vulnerabi...
Feb 24, 2026·CISA Advisories