GHSA-49r2-73m6-pp8f

ghsaUSosv

Directory traversal in development mode handler in Vaadin 14 and 15-17

view advisory published 2021-04-19Licence: CC-BY-4.0

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. - https://vaadin.com/security/cve-2020-36321

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2020-36321US	high7.5	1.21% (68th)	—	2021-04-23
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…

references

External citations — patches, advisories, analysis.

https://github.com/vaadin/flow/pull/9392WEB
https://github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8fWEB
https://nvd.nist.gov/vuln/detail/CVE-2020-36321ADVISORY
https://vaadin.com/security/cve-2020-36321WEB

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