CVE-2017-9822
DotNetNuke (DNN) Remote Code Execution Vulnerability
- High 8.8
- Exploited: added to CISA KEV 3 Nov 2021
- Used in ransomware campaigns
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."
Key facts
- Published
- 20 Jul 2017
- Last changed
- 21 Oct 2025
- Assigned by
- hpe
- KEV added
- 3 Nov 2021
- KEV fix due
- 3 May 2022
- Used in ransomware
- Yes, according to CISA
- EPSS
- 94.789% likely to be exploited in the next 30 days, higher than 99.861% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| DotNetNuke | DotNetNuke CMS Fixed in 9.1.1 |
|
Timeline
- 20 Jul 2017 Published
- 3 Nov 2021 CVE-2017-9822 added to CISA KEV
- 3 Nov 2021 Added to the CISA KEV catalogue