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CVE-2018-15811VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2018-15811: DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

Affects DotNetNuke (DNN) DotNetNuke (DNN)Source CISA KEV

Severity
High

No CVSS score published yet

Exploitation

Actively exploited – in CISA KEV since 11/03/2021

KEV deadline
05/03/2022
EPSS
76.3% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

Description

DotNetNuke (DNN) suffers from a vulnerability due to the use of weak encryption algorithms to protect input parameters. This inadequate encryption strength can potentially be exploited to compromise the confidentiality or integrity of data handled by the application. The vulnerability is known to be exploited in the wild, indicating active threat activity targeting affected systems.

Weaknesses

References

Track DotNetNuke (DNN) DotNetNuke (DNN) with alerts and the API. See plans

Added 10/24/2026 · analysed 10/24/2026 · updated 10/24/2026