CVE-2026-22553

CRITICAL
2026-02-24 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 21:16 nvd
CRITICAL 9.8

Tags

Scada RCE Command Injection Masterscada

Description

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.

Analysis

OS command injection in InSAT MasterSCADA BUK-TS through MMadmServ web interface. Unauthenticated RCE on SCADA management server. …

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Remediation

Within 24 hours: Identify all instances of InSAT MasterSCADA BUK-TS in your environment and assess their exposure to untrusted networks. Within 7 days: Implement network segmentation to restrict access to the MMadmServ interface and deploy WAF rules to block malicious payloads targeting the vulnerable endpoint. …

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Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1.3
CVSS: +49
POC: 0

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CVE-2026-22553 vulnerability details – vuln.today
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