{"id":"UBUNTU-CVE-2021-22118","details":"In Spring Framework, versions 5.2.x prior to 5.2.15 and versions 5.3.x prior to 5.3.7, a WebFlux application is vulnerable to a privilege escalation: by (re)creating the temporary storage directory, a locally authenticated malicious user can read or modify files that have been uploaded to the WebFlux application, or overwrite arbitrary files with multipart request data.","modified":"2025-09-08T16:46:58Z","published":"2021-05-27T15:15:00Z","upstream":["CVE-2021-22118"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22118"},{"type":"REPORT","url":"https://tanzu.vmware.com/security/cve-2021-22118"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-22118"}],"affected":[{"package":{"name":"libspring-java","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libspring-java@3.2.13-5ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.13-3","3.2.13-4","3.2.13-5","3.2.13-5ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libspring-aop-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-beans-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-context-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-context-support-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-core-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-expression-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_version":"3.2.13-5ubuntu0.1~esm1","binary_name":"libspring-instrument-java"},{"binary_name":"libspring-jdbc-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-jms-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-orm-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-oxm-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-test-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-transaction-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-web-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-web-portlet-java","binary_version":"3.2.13-5ubuntu0.1~esm1"},{"binary_name":"libspring-web-servlet-java","binary_version":"3.2.13-5ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-22118.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}