CVE-2017-9822

DotNetNuke CMS Fixed in 9.1.1

Published 20 Jul 2017 · updated 17 Jun 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

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."

References

packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html · Exploit, Third Party Advisory, VDB Entry
www.dnnsoftware.com/community/security/security-center · Product, Vendor Advisory
www.securityfocus.com/bid/102213 · Broken Link, Third Party Advisory, VDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9822 · US Government Resource