CVE-2018-15811

DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

Exploited in attacks High 7.5 Attack chance: 76%

What it is

DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.

CISA: DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: May 3, 2022

Added to the CISA list: November 3, 2021
Published: July 3, 2019
Severity: High 7.5 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 76% in the top 0.5% of all known vulnerabilities
Weakness: CWE-326
More details: NVD · CVE.org · CISA

All references (3)

More exploited flaws from DotNetNuke (DNN)

Added	Vulnerability	Product	Severity	Attack chance
Nov 3, 2021	Remote Code ExecutionCVE-2017-9822used by ransomware	DotNetNuke (DNN)	High 8.8	95%
Nov 3, 2021	Inadequate Encryption StrengthCVE-2018-18325	DotNetNuke (DNN)	High 7.5	74%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.