CVE-2026-22553

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 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

Configurations

Configuration 1 (hide)

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

History

27 Feb 2026, 03:15

Type	Values Removed	Values Added
First Time		Insat Insat masterscada
CPE		cpe:2.3:a:insat:masterscada::::::::
References	~~() https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json -~~	() https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json - Third Party Advisory
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-01 -~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-01 - US Government Resource, VDB Entry

24 Feb 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-24 21:16

Updated : 2026-02-27 03:15

NVD link : CVE-2026-22553

Mitre link : CVE-2026-22553

CVE.ORG link : CVE-2026-22553

JSON object : View

Products Affected

insat

masterscada

CWE

CWE-78

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

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