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CVE-2017-9822: DotNetNuke (DNN) Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2017-9822
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 a vulnerability that may allow for remote code execution via cookie deserialization.

CSIRTS triage

vendor: DotNetNukeproduct: DotNetNuke (DNN)Remote code execution
What
DotNetNuke (DNN) contains a vulnerability that may allow for remote code execution via cookie deserialization.
Who is affected
Deployments of DotNetNuke (DNN) are affected.
Urgency
Remediation is urgent as the vulnerability is critical and has been exploited.
Action
Users should apply the latest security patches provided by DotNetNuke.

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-2017-9822

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-2017-9822coverage & 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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