CVE-2026-22553 PUBLISHED

InSAT MasterSCADA BUK-TS OS Command Injection

Assigner: icscert
Reserved: 09.02.2026 Published: 24.02.2026 Updated: 24.02.2026

All versions of InSAT MasterSCADA BUK-TS are susceptible to OS command injection through a field in its MMadmServ 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
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	InSAT
Product	MasterSCADA BUK-TS
Versions	Default: unaffected Version All versions is affected

Workarounds

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.

CVE-2026-22553 PUBLISHED

InSAT MasterSCADA BUK-TS OS Command Injection

Metrics

Product Status

Workarounds

Credits

References

Problem Types