{"cve":"CVE-2020-15502","nvd":{"published":"2020-07-02T11:15:10.823","modified":"2026-06-17T02:56:45.107","status":"Modified","description":"The DuckDuckGo application through 5.58.0 for Android, and through 7.47.1.0 for iOS, sends hostnames of visited web sites within HTTPS .ico requests to servers in the duckduckgo.com domain, which might make visit data available temporarily at a Potentially Unwanted Endpoint. NOTE: the vendor has stated \"the favicon service adheres to our strict privacy policy.","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:N/A:N","score":7.5},"cwes":["CWE-200"],"references":["https://github.com/duckduckgo/Android/blob/e2f2d54a6b4452277467db403a3546512401b493/app/src/main/java/com/duckduckgo/app/global/UriExtension.kt#L83-L88","https://github.com/duckduckgo/Android/issues/527","https://github.com/duckduckgo/iOS/blob/1ae03d7221180bd6791cf6f7f06922a96335cf75/Core/AppUrls.swift#L98-L100","https://news.ycombinator.com/item?id=23708166","https://news.ycombinator.com/item?id=23711597"],"products":["duckduckgo:duckduckgo"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15502","score":0.01533,"percentile":0.74805,"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."]}