Answer in brief
CVE-2021-23337 records a High severity (CVSS 7.2) vulnerability in Command Injection. The current sources do not mark it as known exploited. The current feed maps lodash/lodash (generic), n/a/Lodash (generic), lodash/lodash-amd (generic), lodash/lodash-es (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps lodash/lodash (generic), n/a/Lodash (generic), lodash/lodash-amd (generic), lodash/lodash-es (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:lodash:lodash-amd:*:*:*:*:*:node.js:*:* | Not reported | Not reported |
| cpe:2.3:a:lodash:lodash-es:*:*:*:*:*:node.js:*:* | Not reported | Not reported |
| cpe:2.3:a:lodash:lodash:*:*:*:*:*:node.js:*:* | Not reported | Not reported |
| cpe:2.3:a:lodash:lodash.template:*:*:*:*:*:node.js:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| lodash/lodashgeneric | >=4.0.0 <4.18.0 | 4.18.0 |
| n/a/Lodashgeneric | prior to 4.17.21 | Not reported |
| lodash/lodash-amdgeneric | >=4.0.0 <4.18.0 | 4.18.0 |
| lodash/lodash-esgeneric | >=4.0.0 <4.18.0 | 4.18.0 |
| lodash/lodash.templategeneric | >=4.0.0 <4.18.0 | 4.18.0 |
| lodashnpm | >=4.0.0 <4.18.0 | 4.18.0 |
| lodashnpm | >=0 <4.17.21 | 4.17.21 |
| lodash-amdnpm | >=4.0.0 <4.18.0 | 4.18.0 |
| lodash-esnpm | >=4.0.0 <4.18.0 | 4.18.0 |
| lodash-esnpm | >=0 <4.17.21 | 4.17.21 |
| lodash-templatenpm | >=0 | Not reported |
| lodash.templatenpm | >=4.0.0 <4.18.0 | 4.18.0 |
| lodash.templatenpm | >=0 | Not reported |
| lodash-railsrubygems | >=0 <4.17.21 | 4.17.21 |
Published upstream
Feb 15, 2021
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.
Quoted source text, attributed separately from HOL analysis.