CVE-2021-21428

CVSS V2 Medium 4.4 CVSS V3 High 7
Description
Openapi generator is a java tool which allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec. openapi-generator-online creates insecure temporary folders with File.createTempFile during the code generation process. The insecure temporary folders store the auto-generated files which can be read and appended to by any users on the system. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version.
Overview
  • CVE ID
  • CVE-2021-21428
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-10T19:15:08
  • Last Modified Date
  • 2021-05-17T17:43:17
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openapi-generator:openapi_generator:*:*:*:*:*:*:*:* 1 OR 5.1.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf Exploit Third Party Advisory
https://github.com/OpenAPITools/openapi-generator/pull/8788 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21428
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21428
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:56 Added to TrackCVE
2022-12-05 01:56:05 2021-05-10T19:15Z 2021-05-10T19:15:08 CVE Published Date updated
2022-12-05 01:56:05 2021-05-17T17:43:17 CVE Modified Date updated
2022-12-05 01:56:05 Analyzed Vulnerability Status updated