CVE-2017-9822 kev+ ransomware in the critical feed json
DNN (aka DotNetNuke) has Remote Code Execution via a cookie
published 2017-07-20 9 y ago modified 2026-06-17 4 mo ago also GHSA-x2rg-fmcv-crq5 , EUVD-2018-0710
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03, used in ransomware
- epss
- 94.8%
- EPSS 94.8% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 2
- Metasploit, Exploit-DB, plus a Nuclei check
Summary
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."
Patch / fix
cisa required action Apply updates per vendor instructions.
- nuget DotNetNuke.Core 9.1.1
- dnnsoftware dotnetnuke 9.1.1
Timeline
- First public exploit (Metasploit exploit/windows/http/dnn_cookie_deserialization_rce)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5 y ago
- Patch by
- 2022-05-03 (4 y ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- DotNetNuke (DNN), DotNetNuke (DNN)
- CISA name
- DotNetNuke (DNN) Remote Code Execution Vulnerability
ATT&CK techniques
How it is exploited and what it leads to, in MITRE ATT&CK terms.
- T1190 Exploit Public-Facing Application exploitation
- T1059 Command and Scripting Interpreter primary impact
- T1496 Resource Hijacking secondary impact
kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
94.79% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/http/dnn_cookie_deserialization_rce DotNetNuke Cookie Deserialization Remote Code Excecution metasploit exploit, excellent rank, 2017-07-20
- EDB-48336 DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit) remote, 2020-04-16
- Nuclei template DotNetNuke 5.0.0 - 9.3.0 - Cookie Deserialization Remote Code Execution nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | DotNetNuke.Core | <9.1.1 |
9.1.1 |
Affected products
- DotNetNuke DotNetNuke CMS Fixed in 9.1.1
Classification
References
-
packetstormsecurity.com
/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html
web, exploit, third-party-advisory, vdb-entry
-
dnnsoftware.com
/community/security/security-center
web, product, vendor-advisory
-
securityfocus.com
/bid/102213
vdb-entry, web, broken-link, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9822
government-resource, us-government-resource
-
nvd.nist.gov
/vuln/detail/CVE-2017-9822
advisory
-
github.com
/advisories/GHSA-x2rg-fmcv-crq5
advisory
Sources
- CVE List CVE-2017-9822
- GitHub Advisory GHSA-x2rg-fmcv-crq5
- NVD CVE-2017-9822
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.