CVE-2017-9822 on CISA KEV

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."

01What CISA says about this vulnerability

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."

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.securityfocus.com — http://www.securityfocus.com/bid/102213
• www.dnnsoftware.com — http://www.dnnsoftware.com/community/security/security-center
• packetstormsecurity.com — http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Re…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
DotNetNuke	DotNetNuke CMS Fixed in 9.1.1	DotNetNuke CMS Fixed in 9.1.1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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