CVE-2025-4768
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 · uneditedA vulnerability classified as critical has been found in feng_ha_ha/megagao ssm-erp and production_ssm 1.0. This affects the function uploadPicture of the file PictureServiceImpl.java. The manipulation of the argument File leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product is distributed under two entirely different names.
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 confidenceUnrestricted file upload vulnerability in the uploadPicture function of PictureServiceImpl.java in megagao ssm-erp 1.0. The application fails to validate file types, extensions, or content before saving uploaded files, allowing remote attackers to upload malicious files (e.g., webshells) to the server filesystem.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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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Identify the applicationCheck if megagao ssm-erp is deployed in your environment by searching for the application name in running processes, web server directories, or application logsAffected if The application megagao ssm-erp is present in your environment
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Confirm the versionLocate the application version file or build artifact (such as pom.xml, build.gradle, or a version.properties file) and verify the version is 1.0Affected if The installed version is megagao ssm-erp 1.0
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Locate the vulnerable componentSearch for the file PictureServiceImpl.java in the deployed application source or decompile the application archive to locate the uploadPicture functionAffected if The uploadPicture function exists in your deployed application
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Check upload directory accessibilityIdentify the configured upload directory by reviewing application configuration files (such as application.properties, application.yml, or web.xml) and verify if it is accessible via HTTPAffected if The upload directory is accessible via web root and contains no script execution restrictions
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Verify file validation is absentInspect the uploadPicture function code for any file type, extension, or content validation logic (look for allowlists, magic byte checks, or content-type validation)Affected if No file type, extension, or content validation is implemented in the upload function
You are affected if you are running megagao ssm-erp version 1.0 with the uploadPicture function accessible and lacking file validation controls.
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 dataImplement strict file upload validation including: allowlist of permitted file types/extensions, magic byte verification, file content inspection, file size limits, and renaming uploaded files. Additionally, store uploads outside webroot and disable script execution permissions on the upload directory.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
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Free · runs locallyCheck whether your project pulls in CVE-2025-4768 — 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-2025-4768 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
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