🛡️ CVE-2020-5187 — dotnetnuke.core
Description
DNN Path Traversal via Zip Slip
DNN (formerly DotNetNuke) through 9.4.4 allows Path Traversal via unsafe handling of zip files
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2020-5187 is classified as CWE-22: Path Traversal. A file path built from user input is not confined to the intended directory, letting an attacker reach files elsewhere on the filesystem.
Affected software
CVE-2020-5187 is recorded against 1 package.
- dotnetnuke.core (fixed in 9.5.0)
Timeline and source
Published on 24 May 2022 and last revised on 16 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
nvd.nist.gov (Advisory)
github.com (Web)
medium.com (Web)
packetstormsecurity.com (Web)
Details
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| dotnetnuke.core | — | 9.5.0 |
References
Similar Threats
- Medium CVE-2026-24784
- High CVE-2026-24836
- Medium CVE-2025-64094
- Critical CVE-2025-59545
- Low CVE-2025-59546
More CVE 2020 advisories
Browse all of CVE 2020 in the advisory index.
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