CISA KEV · Known exploitedHigh

CVE-2018-15811

DotNetNuke (DNN)

DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.

PRIORITY ASSESSMENT

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability74.0%

Technical severityCVSS 7.5

DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.

Confirm exposure before applying a vendor-supported change.

CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03

1
Identify
Confirm that DotNetNuke (DNN) and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.