{"cve":"CVE-2020-7793","nvd":{"published":"2020-12-11T14:15:11.283","modified":"2026-06-17T03:25:27.447","status":"Modified","description":"The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf","https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387","https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599"],"products":["siemens:sinec_ins","ua-parser-js_project:ua-parser-js"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-7793","score":0.03925,"percentile":0.90355,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-394c-5j6w-4xmx","url":"https://osv.dev/vulnerability/GHSA-394c-5j6w-4xmx","summary":"ua-parser-js Regular Expression Denial of Service vulnerability","modified":"2025-01-14T08:56:58.344848Z","packages":[{"ecosystem":"npm","name":"ua-parser-js","purl":"pkg:npm/ua-parser-js","ranges":["<0.7.23"],"fixed":["0.7.23"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}