Inadequate Encryption Strength in DotNetNuke (DNN) (CVE‑2018‑18325) Threatens Web Application Data Confidentiality
What It Is — DotNetNuke (DNN) web‑CMS versions protect input parameters with a weak encryption algorithm, resulting in inadequate encryption strength. The flaw is catalogued as CVE‑2018‑18325 and addresses an incomplete patch for CVE‑2018‑15811.
Exploitability — No public exploit code has been released, but the use of a deprecated cipher (e.g., DES/3DES) can be attacked with known cryptanalytic techniques. The CVSS score is moderate (≈5.5), indicating a realistic risk of data disclosure if the vulnerable component is targeted.
Affected Products — DotNetNuke (DNN) platform releases prior to the vendor’s corrective update (specific version numbers listed in the CISA KEV advisory).
Why It Matters for Trust & Control Assurance
- Strong cryptographic controls are a core control objective; weak encryption undermines the evidence you can provide to auditors that data is protected.
- Continuous monitoring of encryption settings helps demonstrate due‑diligence and a defensible audit trail for compliance programs.
- Remediation provides tangible proof that your organization can quickly address control gaps, a key signal for enterprise buyers demanding trust.
Recommended Actions
- Deploy the latest DNN security patch that upgrades the encryption algorithm to an approved cipher suite.
- Conduct a cryptographic inventory of all DNN instances to verify that only approved algorithms are in use.
- Document the remediation steps and capture evidence (patch version, configuration screenshots) for audit readiness.
Source: CISA KEV – CVE‑2018‑18325