CVE-2025-5243
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 · uneditedUnrestricted Upload of File with Dangerous Type, Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in SMG Software Information Portal allows Code Injection, Upload a Web Shell to a Web Server, Code Inclusion. This issue affects Information Portal: before 13.06.2025.
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 · high confidenceSMG Software Information Portal before June 13, 2025 contains an unrestricted file upload vulnerability combined with OS command injection. Attackers can upload dangerous file types (including web shells) and achieve code execution on the server, potentially compromising the entire system.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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 SMG Software Information Portal installationSearch for SMG Software Information Portal in installed programs or check for its web application directory on the server (commonly found under /opt/smg, /var/www/smg, or C:\Program Files\SMG depending on OS)Affected if The software is present on the system
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Identify installed versionCheck the application's about page, version file, or examine the software's manifest/configuration files for the build date or version stringAffected if The version predates June 13, 2025 or the build date is earlier than that date
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Verify file upload functionality is enabledLocate the application's configuration files (typically portal-config.xml, web.xml, or settings.json in the application directory) and search for upload-related parameters or endpointsAffected if File upload functionality is enabled and accessible to users
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Inspect file type validation settingsExamine the application's security configuration or web.xml for file upload validation rules. Look for allowlist/denylist configurations and whether dangerous extensions (php, jsp, asp, exe, sh) are blockedAffected if There is no strict allowlist-based file type validation or dangerous file extensions are not explicitly blocked
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Check for existing uploaded files in upload directoriesList contents of the designated upload directory (commonly /uploads, /files/upload, or /temp within the web root) and review file types presentAffected if Unexpected file types such as .php, .jsp, .asp, .exe, or suspicious scripts are present
The environment is affected if SMG Software Information Portal is installed with a version or build date before June 13, 2025 AND file upload functionality is enabled without strict allowlist validation.
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 dataUpgrade to the patched version released after June 13, 2025. If immediate patching is not possible, disable or restrict file upload functionality and implement strict allowlist-based file type validation with sanitization of all user-supplied input.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-5243 — 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-2025-5243 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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- 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