CVE-2018-15812Dotnetnuke Vulnerability
Insufficient Entropy in DotNetNuke
Published Jul 5, 2019 · Updated Jul 8, 2026 · Also known as GHSA-pf46-gqg9-j3v3
Key Facts
Patch immediately- CVE-2018-15812 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Dotnetnuke (Dnnsoftware), DotNetNuke.Core (nuget).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 47% probability of exploitation in the next 30 days.
- Fixed versions are available, including Dotnetnuke <=9.2.1, DotNetNuke.Core 9.2.2, Dotnetnuke 9.2.1.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
47%
Higher than 98.8% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
56/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2018-15812
- advisoryGHSA advisory
Description
DNN (aka DotNetNuke) 9.2 through 9.2.1 incorrectly converts encryption key source values, resulting in lower than expected entropy.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| DotnetnukeDnnsoftware | See advisory | 9.2.1 |
| DotNetNuke.Corenuget | >= 9.2.0 | 9.2.2 |
Patched Releases
Dotnetnuke
<=9.2.1
DotNetNuke.Core
9.2.2
Timeline
Publicly disclosed
Jul 5, 2019
Last updated
Jul 8, 2026
Weakness Type
- CWE-331 Insufficient Entropy
References
- advisorynvd.nist.gov · CVE-2018-15812
- advisoryGHSA advisory
- exploitMSF dnn_cookie_deserialization_rce.rb
- exploitExploitDB-48336
- articlepacketstormsecurity.com · DotNetNuke-Cookie-Deserialization-Remote-Code-E…
FAQ
Common Questions.
DNN (aka DotNetNuke) 9.2 through 9.2.1 incorrectly converts encryption key source values, resulting in lower than expected entropy.
Affected: Dotnetnuke (Dnnsoftware); DotNetNuke.Core (nuget) versions >= 9.2.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Dotnetnuke <=9.2.1, DotNetNuke.Core 9.2.2, Dotnetnuke 9.2.1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2018-15812 On Your Attack Surface?
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