CISA KEV · Known exploitedHigh

CVE-2017-9822

DotNetNuke (DNN)

DNN (aka DotNetNuke) before 9.1.1 has Remote Code Execution via a cookie, aka "2017-08 (Critical) Possible remote code execution on DNN sites."

PRIORITY ASSESSMENT

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

Known exploitationConfirmed by CISA KEV

Exploit probability94.8%

Technical severityCVSS 8.8

DNN (aka DotNetNuke) before 9.1.1 has Remote Code Execution via a cookie, aka "2017-08 (Critical) Possible remote code execution on DNN sites."

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.