{"id":"UBUNTU-CVE-2021-41868","details":"OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.","modified":"2025-10-24T04:50:35Z","published":"2021-10-04T14:15:00Z","upstream":["CVE-2021-41868"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41868"},{"type":"REPORT","url":"https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"},{"type":"REPORT","url":"https://www.ihteam.net/advisory/onionshare/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-41868"}],"affected":[{"package":{"name":"onionshare","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/onionshare@0.8.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7-1","0.7.1-1","0.8.1-1","0.8.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"onionshare","binary_version":"0.8.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41868.json"}},{"package":{"name":"onionshare","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/onionshare@0.9.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.2-1","0.9.2-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"onionshare","binary_version":"0.9.2-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41868.json"}},{"package":{"name":"onionshare","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/onionshare@2.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1-1","2.2-1","2.2-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"onionshare","binary_version":"2.2-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41868.json"}},{"package":{"name":"onionshare","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/onionshare@2.2-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2-3","2.2-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2-3ubuntu0.1~esm1","binary_name":"onionshare"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41868.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}