CVE-2024-39342
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 · uneditedEntrust Instant Financial Issuance (formerly known as Cardwizard) 6.10.0, 6.9.0, 6.9.1, 6.9.2, and 6.8.x and earlier uses a DLL library (i.e. DCG.Security.dll) with a custom AES encryption process that relies on static hard-coded key values. These keys are not uniquely generated per installation of the software. Combined with the encrypted password that can be obtained from "WebAPI.cfg.xml" in CVE-2024-39341, the decryption is trivial and can lead to privilege escalation on the Windows host.
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 Entrust Instant Financial Issuance software uses DCG.Security.dll with a custom AES encryption that relies on static, hard-coded key values. These keys are identical across all installations rather than being uniquely generated per deployment. Combined with the encrypted password extractable from WebAPI.cfg.xml (CVE-2024-39341), an attacker can trivially decrypt credentials and achieve privilege escalation on the Windows host.
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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/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 Entrust Instant Financial Issuance installationSearch for the software installation directory, typically under Program Files or a custom application path. Look for folders containing 'Entrust' or 'Instant Financial Issuance' in the name, or check Windows registry for installed applications matching these names.Affected if The software is installed and the installation directory contains the application files.
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Locate DCG.Security.dllWithin the installation directory, search for the file named DCG.Security.dll. This DLL contains the custom AES encryption implementation with the hard-coded static keys.Affected if DCG.Security.dll exists in the application directory, indicating the vulnerable encryption component is present.
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Find WebAPI.cfg.xml configuration fileLocate the WebAPI.cfg.xml file within the installation directory or configuration folders. This file contains encrypted password data that can be extracted.Affected if WebAPI.cfg.xml exists and contains encrypted or encoded credential data that could be targeted for decryption.
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Verify static key usage in encryptionExamine DCG.Security.dll or attempt to decrypt a known value from WebAPI.cfg.xml using a standard AES key. The vulnerability exists because the same key is hard-coded in the DLL across all installations.Affected if Decryption succeeds with a publicly known static key, confirming the hard-coded key vulnerability is exploitable in this installation.
The environment is affected if Entrust Instant Financial Issuance is installed with DCG.Security.dll present and WebAPI.cfg.xml containing encrypted credentials, as the static AES keys allow trivial credential decryption.
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 the hard-coded AES keys with properly generated, unique keys per installation using secure key management practices, and rotate any compromised credentials. If a vendor patch is available, apply it.
- Consultation3.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-39342 — 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-2024-39342 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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