Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions.
Mend Note: After conducting further research, Mend has determined that CVE-2020-28500 only affects environments with versions 4.0.0 to 4.17.20 of Lodash.
CVE-2020-28500 - Medium Severity Vulnerability
Vulnerable Libraries - lodash-4.17.15.tgz, lodash-4.17.14.tgz
lodash-4.17.15.tgz
Lodash modular utilities.
Library home page: https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/node-sass/node_modules/lodash/package.json
Dependency Hierarchy: - node-sass-4.14.1.tgz (Root Library) - :x: **lodash-4.17.15.tgz** (Vulnerable Library)
lodash-4.17.14.tgz
Lodash modular utilities.
Library home page: https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/lodash/package.json
Dependency Hierarchy: - gulp-uglify-3.0.0.tgz (Root Library) - :x: **lodash-4.17.14.tgz** (Vulnerable Library)
Found in HEAD commit: 9dc0cb3749919e1417005d8857fa536e6b1e0d2f
Found in base branch: master
Vulnerability Details
Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions. Mend Note: After conducting further research, Mend has determined that CVE-2020-28500 only affects environments with versions 4.0.0 to 4.17.20 of Lodash.
Publish Date: 2021-02-15
URL: CVE-2020-28500
CVSS 3 Score Details (5.3)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: Low
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28500
Release Date: 2021-02-15
Fix Resolution (lodash): 4.17.21
Direct dependency fix Resolution (node-sass): 5.0.0
Fix Resolution (lodash): 4.17.21
Direct dependency fix Resolution (gulp-uglify): 3.0.1
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