{"id":"UBUNTU-CVE-2021-46900","details":"Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.","modified":"2026-07-15T19:45:13.033877762Z","published":"2023-12-31T05:15:00Z","upstream":["CVE-2021-46900"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-46900"},{"type":"REPORT","url":"https://www.sympa.community/security/2021-001.html"},{"type":"REPORT","url":"https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-46900"}],"affected":[{"package":{"name":"sympa","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/sympa?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.24~dfsg-1","6.1.24~dfsg-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sympa","binary_version":"6.1.24~dfsg-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46900.json"}},{"package":{"name":"sympa","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/sympa?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.18~dfsg-1","6.2.22~dfsg-1","6.2.24~dfsg-1","6.2.24~dfsg-1ubuntu0.1~esm1","6.2.24~dfsg-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"sympa","binary_version":"6.2.24~dfsg-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46900.json"}},{"package":{"name":"sympa","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/sympa?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.40~dfsg-1","6.2.40~dfsg-3","6.2.40~dfsg-4","6.2.40~dfsg-4ubuntu0.20.04.1~esm1","6.2.40~dfsg-4ubuntu0.20.04.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"6.2.40~dfsg-4ubuntu0.20.04.1~esm2","binary_name":"sympa"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46900.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}