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PatchSiren cyber security CVE debrief

CVE-2018-15811 DotNetNuke (DNN) CVE debrief

CVE-2018-15811 is a DotNetNuke (DNN) vulnerability identified by CISA as known to be exploited in the wild and added to the Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03. The available source corpus identifies the issue as an inadequate encryption strength vulnerability in DNN. Because this entry is sourced from the KEV catalog and official CVE/NVD records, defenders should treat affected DNN installations as a priority for update and validation.

Vendor
DotNetNuke (DNN)
Product
DotNetNuke (DNN)
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Organizations running DotNetNuke (DNN), especially teams responsible for web application patching, platform administration, security operations, and exposure management. Internet-facing DNN deployments should be treated as highest priority.

Technical summary

The official source material classifies CVE-2018-15811 as an inadequate encryption strength vulnerability affecting DotNetNuke (DNN). CISA includes it in the KEV catalog, which indicates known exploitation risk and a need for prompt remediation. The supplied corpus does not include deeper technical detail, so no additional behavior, attack path, or impact claims are made here.

Defensive priority

High. KEV inclusion means this vulnerability should be prioritized for remediation over routine maintenance items, especially on externally accessible DNN systems.

Recommended defensive actions

  • Identify all DotNetNuke (DNN) instances in your environment, including internet-facing and legacy deployments.
  • Apply vendor updates per official vendor guidance as soon as possible.
  • Confirm remediation by verifying the installed DNN version and any related security fixes.
  • Review exposure of public-facing DNN applications and reduce unnecessary access until patched.
  • Track this CVE against the CISA KEV catalog and your vulnerability management backlog.
  • Use the official CVE and NVD records to validate affected versions and remediation details.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and official CVE/NVD links. The KEV metadata names DotNetNuke (DNN) and states the required action is to apply updates per vendor instructions. The corpus does not provide exploit details, affected version ranges, or a vendor advisory, so those are not asserted here.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-15811 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-15811

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2018-15811 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.