CVE-2014-5723
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 · uneditedThe Trapster (aka com.trapster.android) application 4.3.2 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
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 confidenceThe Trapster Android app version 4.3.2 fails to verify X.509 certificates from SSL servers, allowing attackers to intercept encrypted communications through a man-in-the-middle attack. The app accepts any certificate presented by a server, enabling spoofing and sensitive data exfiltration.
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= 4.3.2CVSS 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
- Adjacent
- Complexity
- M
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:A/AC:M/Au:N/C:P/I:P/A:P
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 Trapster app is installedCheck if the Trapster Android app is present on the device using 'adb shell pm list packages | grep -i trapster' or manually through Settings > AppsAffected if Package com.trapster or similar Trapster package name is found on the device
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Identify installed versionRetrieve the installed version via 'adb shell dumpsys package <package_name>' or view in Settings > Apps > Trapster > Version infoAffected if The version displayed is exactly 4.3.2
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Inspect SSL certificate validation codeObtain the APK (via 'adb shell pm path <package>' and pull) and decompile using tools like jadx or apktool. Search the source code for custom TrustManager implementations, check if verify() methods on SSLSocket are overridden, or look for certificate pinning logicAffected if Code shows that X.509 certificate chain validation is bypassed or no proper TrustManager is implemented (e.g., empty TrustManager accepting all certificates)
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Check for proper hostname verificationIn the decompiled code, locate HTTPS connection handling and verify that hostname verification uses the standard DefaultHostnameVerifier or equivalentAffected if Hostname verification is disabled or uses a permissive verifier that accepts any hostname
The environment is affected if Trapster app version 4.3.2 is installed and the app code lacks proper X.509 certificate chain validation and hostname verification for SSL/TLS connections.
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 proper X.509 certificate chain validation in the Android application using standard TrustManager or certificate pinning to ensure only trusted certificates are accepted.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2014-5723 — 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-2014-5723 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