[NEW] [high] DNN: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in DNN to gain administrator rights, bypass security measures, disclose sensitive information, manipulate data, perform server-side request-forgery or cross-site-scripting attacks, escalate privileges, or execute arbitrary code.
CSIRTS triage
- What
- Multiple vulnerabilities allow code execution, privilege escalation to administrator, security bypass, data manipulation, SSRF, XSS, and information disclosure.
- Who is affected
- DNN installations; specific affected versions not detailed.
- Urgency
- High severity with multiple exploitation vectors including code execution; prioritize patching.
- Action
- Apply DNN security updates addressing all reported vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3031
Recent advisories for DNN
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.
- criticalexploitedCVE-2017-9822: DotNetNuke (DNN) Remote Code Execution Vulnerabilitycisa-kev · 2021-11-03
- criticalexploitedCVE-2018-15811: DotNetNuke (DNN) Inadequate Encryption Strength Vulnerabilitycisa-kev · 2021-11-03
- criticalexploitedCVE-2018-18325: DotNetNuke (DNN) Inadequate Encryption Strength Vulnerabilitycisa-kev · 2021-11-03
More from CERT-Bund (BSI) Security Advisories
- medium[NEW] [medium] Langflow: Multiple vulnerabilities2026-09-04
- medium[NEW] [medium] Grafana Enterprise: Multiple vulnerabilities allow gaining user or administrator privileges2026-09-04
- low[NEW] [low] Checkmk: Vulnerability allows Denial of Service2026-09-04
- low[NEW] [low] ImageMagick: Multiple vulnerabilities allow Denial of Service2026-09-04
- critical[NEW] [critical] vm2: Multiple vulnerabilities allow code execution2026-09-04