{"cve":"CVE-2020-15572","nvd":{"published":"2020-07-15T17:15:11.283","modified":"2026-06-17T02:56:50.467","status":"Modified","description":"Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.","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":["CWE-125"],"references":["https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes","https://gitlab.torproject.org/tpo/core/tor/-/issues/33119","https://trac.torproject.org/projects/tor/wiki/TROVE","https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes","https://gitlab.torproject.org/tpo/core/tor/-/issues/33119"],"products":["torproject:tor"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15572","score":0.01404,"percentile":0.72563,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}