{"id":"CVE-2020-28500","revision":"d36176a8cbdd4711be2e58bd8f96fc0c","records":[{"revision":"d36176a8cbdd4711be2e58bd8f96fc0c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-28500","aliases":[],"title":"Regular Expression Denial of Service (ReDoS)","description":"Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions.","state":0,"publishedAt":"2021-02-15T11:10:16.225+00:00","modifiedAt":"2026-10-08T21:13:56.095+00:00","affected":[{"ecosystem":"Vendor product","name":"Lodash","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Lodash\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"versions prior to 4.17.21\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P","score":5.3,"severity":"MEDIUM"}],"references":["https://snyk.io/vuln/SNYK-JS-LODASH-1018905","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895","https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896","https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8","https://github.com/lodash/lodash/pull/5065","https://www.oracle.com//security-alerts/cpujul2021.html","https://security.netapp.com/advisory/ntap-20210312-0006/","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpujan2022.html","https://www.oracle.com/security-alerts/cpujul2022.html","https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-28500","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-28500","identifiers":["CVE-2020-28500"]},"retained":false,"historicalAffected":[]}],"coverage":[]}