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CVE-2018-15811: DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

criticalknown exploitedpublic exploitCVE-2018-15811
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
DotNetNuke (DNN) contains an inadequate encryption strength vulnerability resulting from the use of a weak encryption algorithm to protect input parameters.

CSIRTS triage

vendor: DotNetNukeproduct: DotNetNukeOther
What
An inadequate encryption strength vulnerability results from using a weak encryption algorithm.
Who is affected
Deployments of DotNetNuke (DNN).
Urgency
Remediation is urgent as the vulnerability is critical and actively exploited.
Action
Implement stronger encryption algorithms and apply updates.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-15811

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-15811coverage & exploitation statusNVD · CVE.org

Recent advisories for DotNetNuke

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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