DotNetNuke (DNN) flaws being used in attacks
CISA lists 3 flaws in DotNetNuke (DNN) products as being used in attacks, most recently on 3 Nov 2021. 1 has been used in ransomware.
DotNetNuke (DNN)Being used in attacks
- On CISA’s list
- 3 flaws, added between 3 Nov 2021 and 3 Nov 2021
- Most recent
- CVE-2018-18325, DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability, added 3 Nov 2021
- Used in ransomware
- 1 flaw, according to CISA
- Products
- DotNetNuke (DNN) (3)
What to do
- Update every DotNetNuke (DNN) product you use.Install the updates DotNetNuke (DNN) offers, on every device, and restart when asked. Each flaw below has a fix or clear advice; that’s one of CISA’s conditions for listing it.
- If someone looks after IT for you, send them this page.Many of these are in equipment you don’t see: routers, firewalls, servers, the office network. Ask them to confirm each one is fixed, or that you don’t use the product.
- Check anything else in the lookup.Search any app, company or CVE. Not being on CISA’s list doesn’t mean safe: keep updating either way.
Every flaw, newest first
- DotNetNuke (DNN)
CVE-2018-18325DotNetNuke (DNN) Inadequate Encryption Strength VulnerabilityDotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters. This CVE ID resolves an incomplete patch for CVE-2018-15811.CISA’s required actionApply updates per vendor instructions. - DotNetNuke (DNN)
CVE-2018-15811DotNetNuke (DNN) Inadequate Encryption Strength VulnerabilityDotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.CISA’s required actionApply updates per vendor instructions. - DotNetNuke (DNN)
CVE-2017-9822DotNetNuke (DNN) Remote Code Execution VulnerabilityDotNetNuke (DNN) contains a vulnerability that may allow for remote code execution via cookie deserialization.CISA’s required actionApply updates per vendor instructions.
From CISA’s Known Exploited Vulnerabilities catalog, updated 21 Oct 2026 (version 2026.10.21). CISA’s required actions are written for US government agencies. DotNetNuke (DNN) on CISA’s site.