CVE-2017-9822

Name: CVE-2017-9822
Creator: NVD / NIST
Published: 2017-07-20T12:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 94.79%

Last modified Jun 17, 2026

CVE-2017-9822 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.". CISA has confirmed active exploitation in the wild. EPSS estimates a 94.79% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

94.79%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dnnsoftware	Dotnetnuke	< 9.1.1

References

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

Timeline

Published: Jul 20, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-9822?

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."

How severe is CVE-2017-9822?

CVE-2017-9822 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 94.79% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-9822?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9822?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST