{"cve":"CVE-2021-29978","nvd":{"published":"2021-08-05T20:15:08.857","modified":"2026-06-17T03:48:32.737","status":"Modified","description":"Multiple low security issues were discovered and fixed in a security audit of Mozilla VPN 2.x branch as part of a 3rd party security audit. This vulnerability affects Mozilla VPN < 2.3.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://github.com/mozilla-mobile/mozilla-vpn-client/issues/797","https://github.com/mozilla-mobile/mozilla-vpn-client/issues/798","https://github.com/mozilla-mobile/mozilla-vpn-client/issues/799","https://github.com/mozilla-mobile/mozilla-vpn-client/issues/800","https://github.com/mozilla-mobile/mozilla-vpn-client/issues/801"],"products":["mozilla:mozilla_vpn"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-29978","score":0.0278,"percentile":0.86375,"date":"2026-10-31"},"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."]}