CVE-2018-15811
DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 76.30% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 16 April 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-326
- Affected
- dnnsoftware/dotnetnuke
- Source
- cve@mitre.org
EPSS moved from 76.3% on 24 September 2026 to 76.3% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-15811
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/dnnsoftware/Dnn.Platform/releasesRelease Notes
- https://www.dnnsoftware.com/community/security/security-centerVendor Advisory
- http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/dnnsoftware/Dnn.Platform/releasesRelease Notes
- https://www.dnnsoftware.com/community/security/security-centerVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.