CVE-2026-22553
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAll 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOS command injection vulnerability in the MMadmServ web interface of InSAT MasterSCADA BUK-TS allows remote attackers to execute arbitrary operating system commands through unsanitized user input, potentially achieving full remote code execution.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm MasterSCADA installationCheck system for InSAT MasterSCADA BUK-TS software by searching for the application in installed programs (Windows: Add/Remove Programs, Linux: check for MasterSCADA directories in /opt or /usr/local)Affected if The software is installed and no compensating controls are in place to block MMadmServ access
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Identify if MMadmServ web interface is runningCheck for processes listening on typical web ports associated with MasterSCADA MMadmServ, or check MasterSCADA configuration files for web service settingsAffected if The MMadmServ web interface service is active and accessible
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Assess network exposure of the web interfaceReview firewall rules and network configuration to determine if the MMadmServ web port (typically HTTP/HTTPS on configured ports) is exposed to untrusted networks or the internetAffected if The web interface is reachable from outside the local trusted network
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Review web server access logs for suspicious inputExamine MMadmServ web server logs for unusual parameters, encoded characters, or command patterns in HTTP requests that may indicate exploitation attempts
A defender is affected if they have MasterSCADA installed with MMadmServ web interface enabled and accessible, regardless of version since all versions are vulnerable.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataIsolate the affected system on a restricted network segment, implement strict input validation on the vulnerable endpoint, and apply vendor-provided patches when available. Consider disabling the MMadmServ web interface if not operationally essential.
- Consultation12.0 h
- Implementation24.0 h
- Testing16.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $16,896.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-22553 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-22553 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data