CVE-2018-15811
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
- 7.5HighCVSS base score
- 76.3%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- YesKnown exploitedin CISA's KEV since 3 Nov 2021
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- DotNetNuke Cookie Deserialization Remote Code Excecution (Metasploit module) (opens in a new tab)
exploit/windows/http/dnn_cookie_deserialization_rceRank excellentdisclosed 20 Jul 2017
Nuclei templates1 template
- DotNetNuke 9.2 - 9.2.1 - Weak Encryption & Cookie Deserialization (Nuclei template) (opens in a new tab)
http/cves/2018/CVE-2018-15811.yamlSeverity high
Exploit-DB1 entry
- DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 48336remote, windowspublished 16 Apr 2020Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 10 months later
· 10 months later
Published
- 2 years later
· 2 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 76.3% · top 0.5% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetDotNetNuke.CoreGHSA-h595-8pw6-5q6v (opens in a new tab)
References
References4
- https://github.com/dnnsoftware/Dnn.Platform/releases (opens in a new tab)x_refsource_MISCx_transferred
- https://www.dnnsoftware.com/community/security/security-center (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-0590 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-h595-8pw6-5q6v (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-15811)Record last updated .