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CISA Known Exploited Vulnerabilities

DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03

Required action
Apply updates per vendor instructions.

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

Description

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

Severity

CVSS 3.1 · CISA7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impactpartial

Exploitation Context

as of October 17, 2026
All KEV statistics→
  • CISA added CVE-2018-15811 to the KEV catalog 854 days after its CVE record was published.
  • It is one of 3 DotNetNuke (DNN) entries in the CISA KEV catalog, and one of 3 added in 2021.
  • Its current EPSS score (76.3%) is higher than that of 61% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.