CVEvulnerability
CVE-2020-36321
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• vaadin flow (>= 2.0.0 < 2.4.2)
• vaadin flow (>= 3.0.0 < 5.0.0)
• vaadin vaadin (>= 14.0.0 < 14.4.3)
• vaadin vaadin (>= 15.0.0 < 18.0.0)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/vaadin/flow/pull/9392 Patch, Third Party Advisory
- https://vaadin.com/security/cve-2020-36321 Vendor Advisory
- https://github.com/vaadin/flow/pull/9392 Patch, Third Party Advisory
- https://vaadin.com/security/cve-2020-36321 Vendor Advisory