CVE-2018-15811 kev in the critical feed json
Inadequate Encryption Strength in DotNetNuke
published 2019-07-03 7 y ago modified 2026-06-17 4 mo ago also GHSA-h595-8pw6-5q6v , EUVD-2019-0590
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03
- epss
- 76.3%
- EPSS 76.3% chance of exploitation in 30 days, percentile 99.5%
- public exploits
- 2
- Metasploit, Exploit-DB, plus a Nuclei check
Summary
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
Patch / fix
cisa required action Apply updates per vendor instructions.
- nuget DotNetNuke.Core 9.2.2
Timeline
- First public exploit (Metasploit exploit/windows/http/dnn_cookie_deserialization_rce)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5 y ago
- Patch by
- 2022-05-03 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- DotNetNuke (DNN), DotNetNuke (DNN)
- CISA name
- DotNetNuke (DNN) Inadequate Encryption Strength Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
76.30% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/windows/http/dnn_cookie_deserialization_rce DotNetNuke Cookie Deserialization Remote Code Excecution metasploit exploit, excellent rank, 2017-07-20
- EDB-48336 DotNetNuke - Cookie Deserialization Remote Code Execution (Metasploit) remote, 2020-04-16
- Nuclei template DotNetNuke 9.2 - 9.2.1 - Weak Encryption & Cookie Deserialization nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | DotNetNuke.Core | >=9.2.0, <9.2.2 |
9.2.2 |
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
packetstormsecurity.com
/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html
web, exploit, third-party-advisory, vdb-entry
-
dnnsoftware.com
/community/security/security-center
web, vendor-advisory
-
github.com
/dnnsoftware/Dnn.Platform/releases
web, release-notes
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15811
government-resource, web, us-government-resource
-
nvd.nist.gov
/vuln/detail/CVE-2018-15811
advisory
Sources
- CVE List CVE-2018-15811
- GitHub Advisory GHSA-h595-8pw6-5q6v
- NVD CVE-2018-15811
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.