CVE-2014-5721
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 Touchnote Postcards (aka com.touchnote.android) application 4.2.7 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 Touchnote Postcards Android app version 4.2.7 fails to verify X.509 certificates from SSL servers during HTTPS connections. This allows man-in-the-middle attackers to intercept traffic by presenting a crafted (untrusted or forged) certificate, enabling spoofing of legitimate servers and exposure of sensitive data transmitted over supposedly encrypted channels.
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= 4.2.7CVSS 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.
-
Identify if Touchnote Postcards app is installedOn the Android device, go to Settings > Apps > Downloaded, or use adb shell pm list packages to list installed packages. Look for a package name related to Touchnote Postcards.Affected if The Touchnote Postcards app is present on the device.
-
Determine the installed versionIn Settings > Apps > Touchnote Postcards, view the Version information. Alternatively, use 'adb shell dumpsys package [package_name]' to retrieve version details.Affected if The installed version is exactly 4.2.7.
-
Verify the app makes network connectionsObserve if the app transmits data to external servers, which is expected behavior for a postcard creation and mailing service.Affected if The app sends or receives data over network connections.
-
Check for SSL/TLS certificate validation in app trafficUse a network proxy (such as Burp Suite or OWASP ZAP) configured with an untrusted CA certificate and attempt to intercept traffic from the app. If the app accepts the untrusted certificate and completes HTTPS connections without validation errors, the vulnerability is present.Affected if The app accepts an untrusted/invalid certificate and establishes HTTPS connections through the proxy without warning or error.
A user is affected if the Touchnote Postcards Android app version 4.2.7 is installed and the app accepts untrusted SSL certificates during HTTPS connections, allowing traffic interception.
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 SSL/TLS certificate validation in the Android app by using a correctly configured TrustManager that validates the full certificate chain, enabling hostname verification, and optionally implementing certificate pinning for critical endpoints.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2014-5721 — 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-2014-5721 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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