CVE-2025-31909
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 · uneditedMissing Authorization vulnerability in Apptivo Apptivo Business Site CRM apptivo-business-site allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Apptivo Business Site CRM: from n/a through <= 5.3.
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 confidenceMissing Authorization vulnerability in Apptivo Business Site CRM allows attackers to exploit incorrectly configured access control security levels. The application fails to properly enforce authorization checks, potentially allowing unauthenticated or lower-privileged users to access restricted functionality or data. This is a classic Broken Access Control (BAC) vulnerability where the security level configuration is improperly set.
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
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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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Identify Apptivo Business Site CRM versionLocate the version information in the application admin panel under 'About' or 'Settings', or check the software release documentationAffected if Installed version is earlier than 5.4
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Review security level configurationAccess the admin security settings panel and examine the 'Security Level' or 'Access Control' configuration optionsAffected if Security level is set to a value that permits unauthenticated or low-privilege access to sensitive features
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Test unauthorized access to restricted functionsAttempt to access administrative or privileged functions using a standard user account or without authentication, observing whether access is grantedAffected if Lower-privileged or unauthenticated users can access functionality intended for higher-privilege roles
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Verify authorization enforcement on sensitive resourcesReview application logs or test access to customer data, financial records, or configuration areas with a non-admin accountAffected if Restricted resources are accessible without proper authorization checks
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Check access control audit logsExamine the application's security audit logs for any access events that bypassed normal authorization gatesAffected if Logs show successful access from users lacking required permissions
A user is affected if their Apptivo Business Site CRM version is earlier than 5.4 AND the security level configuration allows unauthorized access to privileged functions or data.
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 dataReview and remediate the access control configuration in Apptivo Business Site CRM to ensure proper authorization checks are enforced for all sensitive operations and resources. Update to version 5.4 or later if available, or apply vendor-provided security configuration guidance.
- 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-2025-31909 — 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-2025-31909 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