{"id":"CVE-2023-31597","details":"An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets.","modified":"2026-08-12T03:51:39.657396754Z","published":"2023-05-18T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31597.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31597.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31597"},{"type":"ADVISORY","url":"https://zammad.com/de/advisories/zaa-2023-03"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zammad/zammad","events":[{"introduced":"0"},{"fixed":"643aba6ba4ba66c6127038c8cc2cc7a20b912678"}],"database_specific":{"cpe":"cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"5.4.1"}],"source":"CPE_RANGE"}}],"versions":["5.4.0","5.4.0-alpha","5.3.0-alpha","5.2.0-alpha","3.7.0","1.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31597.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}