DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability
DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.
A remote attacker, without authentication, can achieve full data confidentiality loss. Federal agencies are required to remediate by 2022-05-03 under CISA BOD 22-01.
This is a Software Vulnerability (CWE-326) (CWE-326) vulnerability in DotNetNuke (DNN) DotNetNuke (DNN). DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.
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Phishing link
🖼
Malicious file
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Server compromised
Probably yes if any of these apply:
Active exploitation documented in the wild. Threat-research write-up: http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply updates per vendor instructions.
References
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References