CVE-2020-36321

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2020-36321
  • Assigner
  • security@vaadin.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-23T16:15:08
  • Last Modified Date
  • 2021-05-05T17:26:01
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 1 OR 2.0.0 2.4.2
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 1 OR 3.0.0 5.0.0
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.4.3
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 1 OR 15.0.0 18.0.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://vaadin.com/security/cve-2020-36321 Vendor Advisory
https://github.com/vaadin/flow/pull/9392 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-36321
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36321
History
Created Old Value New Value Data Type Notes
2022-05-10 16:16:57 Added to TrackCVE
2022-12-06 02:42:21 2021-04-23T16:15Z 2021-04-23T16:15:08 CVE Published Date updated
2022-12-06 02:42:21 2021-05-05T17:26:01 CVE Modified Date updated
2022-12-06 02:42:21 Analyzed Vulnerability Status updated