{"cve":"CVE-2016-20011","nvd":{"published":"2021-05-25T21:15:07.290","modified":"2026-06-17T00:43:04.940","status":"Modified","description":"libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs because of the default behavior of SoupSessionSync.","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:H/A:N","score":7.5},"cwes":["CWE-295"],"references":["https://bugzilla.gnome.org/show_bug.cgi?id=772647","https://gitlab.gnome.org/GNOME/libgrss/-/issues/4","https://gitlab.gnome.org/GNOME/libgrss/-/merge_requests/7.patch","https://bugzilla.gnome.org/show_bug.cgi?id=772647","https://gitlab.gnome.org/GNOME/libgrss/-/issues/4"],"products":["gnome:libgrss"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2016-20011","score":0.01441,"percentile":0.73209,"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."]}