Moderate severityNVD Advisory· Published Apr 23, 2021· Updated Sep 17, 2024
Directory traversal in development mode handler in Vaadin 14 and 15-17
CVE-2020-36321
Description
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.vaadin:flow-serverMaven | >= 3.0.0, < 5.0.0 | 5.0.0 |
com.vaadin:flow-serverMaven | >= 2.0.0, < 2.4.2 | 2.4.2 |
Affected products
3- Range: 2.0.0
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-49r2-73m6-pp8fghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-36321ghsaADVISORY
- github.com/vaadin/flow/pull/9392ghsax_refsource_MISCWEB
- github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8fghsaWEB
- vaadin.com/security/cve-2020-36321ghsax_refsource_MISCWEB
News mentions
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