An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)
Vulnerable Library - url-loader-4.1.0.tgz
Path to dependency file: /package.json
Path to vulnerable library: /package.json
Vulnerabilities
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2020-15366
### Vulnerable Library - ajv-6.12.0.tgzAnother JSON Schema Validator
Library home page: https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz
Path to dependency file: /package.json
Path to vulnerable library: /package.json
Dependency Hierarchy: - url-loader-4.1.0.tgz (Root Library) - schema-utils-2.6.5.tgz - :x: **ajv-6.12.0.tgz** (Vulnerable Library)
Found in base branch: unstable
### Vulnerability DetailsAn issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)
Publish Date: 2020-07-15
URL: CVE-2020-15366
### Threat AssessmentExploit Maturity: Not Defined
EPSS: 0.4%
### CVSS 4 Score Details (6.3)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: None - Scope: N/A - Impact Metrics: - Confidentiality Impact: N/A - Integrity Impact: N/A - Availability Impact: N/A
For more information on CVSS4 Scores, click here. ### Suggested FixType: Upgrade version
Release Date: 2020-07-15
Fix Resolution (ajv): 6.12.3
Direct dependency fix Resolution (url-loader): 4.1.1
In order to enable automatic remediation, please create workflow rules
In order to enable automatic remediation for this issue, please create workflow rules