CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input parameters. NOTE: this issue exists because of an incomplete fix for CVE-2018-15811.
Affected products
dnnsoftware: dotnetnuke
References7
- www.dnnsoftware.com/community/security/security-center Vendor Advisory
- www.dnnsoftware.com/community/security/security-center Vendor Advisory
- packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserial… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserial… ExploitThird Party AdvisoryVDB Entry
- github.com/dnnsoftware/Dnn.Platform/releases Release Notes
- github.com/dnnsoftware/Dnn.Platform/releases Release Notes
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 74% percentile: 99 · as of 10 November 2026
- CWE
- CWE-326
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.