{"cve":"CVE-2021-39360","nvd":{"published":"2021-08-22T19:15:07.203","modified":"2026-06-17T04:03:37.443","status":"Modified","description":"In GNOME libzapojit through 0.0.3, zpj-skydrive.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-295"],"references":["https://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/","https://gitlab.gnome.org/GNOME/libzapojit/-/issues/4","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDXCHOCVP3VSAKDBQSLER2DQHFIOUHAT/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNSIMQXP6VQWJXI7VW7ZCLCS4NWW465T/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UG7TUICJM4QJHI4QJ2RHOSQE2QWD3KO3/"],"products":["fedoraproject:fedora","gnome:libzapojit"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-39360","score":0.0074,"percentile":0.54642,"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."]}