CVE-2025-9421
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 has been found in itsourcecode Apartment Management System 1.0. This affects an unknown function of the file /complain/addcomplain.php. The manipulation of the argument ID leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
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 confidenceA critical SQL injection vulnerability exists in itsourcecode Apartment Management System 1.0 within the /complain/addcomplain.php file. The ID parameter is not properly sanitized before being used in SQL queries, allowing remote attackers to inject arbitrary SQL commands. The exploit is publicly available, making immediate remediation critical.
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 data= 1.0CVSS 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 installed product and versionLocate the installation directory of the Apartment Management System and check version files, headers, or about pages for version 1.0Affected if The application is Admerc Apartment Management System version 1.0
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Verify vulnerable file existsCheck for the presence of /complain/addcomplain.php in the web root directoryAffected if The file /complain/addcomplain.php exists in the application
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Inspect SQL query handling for ID parameterOpen addcomplain.php and examine how the ID parameter is handled in SQL queries - look for direct string concatenation or lack of prepared statementsAffected if The ID parameter is used directly in SQL queries without parameterized queries or input sanitization
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Check for input validation on ID parameterReview addcomplain.php to see if the ID parameter undergoes any validation or sanitization (such as type checking, escaping, or use of filtering functions) before being used in SQL queriesAffected if No input validation or sanitization is performed on the ID parameter before SQL execution
Your environment is affected if you are running Admerc Apartment Management System 1.0 with the file /complain/addcomplain.php that uses the ID parameter in unsanitized dynamic SQL queries
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 dataReplace dynamic SQL queries with parameterized queries/prepared statements for the ID parameter in addcomplain.php. Implement proper input validation and employ least-privilege database accounts to limit impact if injection occurs.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 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 $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-9421 — 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-2025-9421 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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