CVEs / CVE-2017-9822

CVE-2017-9822: DotNetNuke (DNN) Remote Code Execution Vulnerability

Known exploited in the CISA KEV catalog since 3 Nov 2021
high 8.8 CVSS 3.1 (NVD)
EPSS 94.7% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 24 Oct 2026

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Summary

DotNetNuke (DNN) contains a vulnerability that may allow for remote code execution via cookie deserialization.
CISA, Known Exploited Vulnerabilities catalog

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."
The CVE record, via NVD · published 20 Jul 2017 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
DotNetNuke DotNetNuke CMS Fixed in 9.1.1	DotNetNuke CMS Fixed in 9.1.1	—

As stated by OSV
Product	Affected	Fixed in
DotNetNuke.Core (NuGet)	before 9.1.1	9.1.1

Package versions from GHSA-x2rg-fmcv-crq5.

Exploitation

In CISA KEV since	3 Nov 2021
Due date for US federal agencies	3 May 2022
Used in ransomware campaigns	Known
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	8.8 high `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-94

References

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

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.