Home/CVE/DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability
CVE

CVE-2018-18325

DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability

DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input parameters. NOTE: this issue exists because of an incomplete fix for CVE-2018-15811.

HIGH · CVSS 7.5 ⚠ CISA KEV EPSS 0.92916
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-326Inadequate Encryption Strength
CWE-326Inadequate Encryption Strength
▤

Affected Products & Versions

1
dnnsoftware dotnetnuke>= 9.2 and <= 9.2.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet DotNetNuke.Core HIGH fixed in 9.3.0
⚠

Public Exploits & PoCs

3
remoteDotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit)verified
nucleiDotNetNuke 9.2 - 9.2.2 - Weak Encryption & Cookie Deserializationhigh
pocpacketstormsecurity.com · DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.htmlpacketstormsecurity.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT DotNetNuke 9.2-9.2.2 Cookie Deserialization Exploit (CVE-2018-15811)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Jul 2019 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2018-18325
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/dnnsoftware/Dnn.Platform/releasesRelease Notes
https://www.dnnsoftware.com/community/security/security-centerVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-18325US Government Resource
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