DNN (formerly DotNetNuke) through 9.4.4 allows Path Traversal (issue 2 of 2).
Priority MEDIUM 43CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
DNN (formerly DotNetNuke) through 9.4.4 allows Path Traversal (issue 2 of 2).
Why it matters now
EPSS 0.02394 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed DotNetNuke.Core (NuGet): 9.5.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | DotNetNuke.Core (NuGet) | before 9.5.0 | 9.5.0 | Patch available | GHSA-4qf5-7xc2-wqpg |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- DotNetNuke.Core (NuGet) Vendor— Affected before 9.5.0 Fixed in 9.5.0 Patch available GHSA-4qf5-7xc2-wqpg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* | up to 9.4.4 | Vulnerable | DotNetNuke (DNN) |
- cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* Versions up to 9.4.4 Vulnerable ·DotNetNuke (DNN)
Remediation
- Fix · GHSA-4qf5-7xc2-wqpg DotNetNuke.Core (NuGet) Fixed in 9.5.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5187
- 2026-10-03 Alias added: GHSA-4qf5-7xc2-wqpg
References
Exploit 1
Advisory 2
More DotNetNuke (DNN) Dotnetnuke vulnerabilities
- TI-2017-07201 Code injection in DotNetNuke CMS Fixed in 9.1.1 KEVCVSS 3.1HIGH 8.8
- TI-2018-12944 DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input… KEVCVSS 3.1HIGH 7.5
- TI-2018-11271 DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters. KEVCVSS 3.1HIGH 7.5
- TI-2015-02468 The installation wizard in DotNetNuke (DNN) before 7.4.1 allows remote attackers to… CVSS 3.0CRITICAL 9.8
- TI-2025-39546 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite CVSS 3.1CRITICAL 10.0
- TI-2018-12945 DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-5187 · CVE Program
- CVE-2020-5187 · NVD
- FIRST EPSS
- GHSA-4qf5-7xc2-wqpg · GitHub Advisory Database · CC BY 4.0
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