{"id":"CVE-2023-42183","aliases":["EUVD-2023-46642","GHSA-mgqj-hphf-9588","GHSA-w6m2-rf66-q93w"],"status":"published","title":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization,...","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00567,"percentile":0.47376,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116"],"published":"2023-12-15T00:00:00Z","modified":"2026-10-28T10:40:37Z","products":[{"vendor":"lockss","product":"classic_lockss_daemon"}],"references":[{"url":"https://github.com/lockss/lockss-daemon/security/advisories/GHSA-mgqj-hphf-9588","tags":["x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42183","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w6m2-rf66-q93w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42183.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-42183","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","status":"published","published":"2023-12-15T00:00:00Z","modified":"2024-10-08T14:17:47.557Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:35:18.16233Z"}],"euvd":[{"id":"EUVD-2023-46642","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","status":"published","published":"2023-12-15T00:00:00Z","modified":"2024-10-08T14:17:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:27:45.808193Z"}],"ghsa":[{"id":"GHSA-w6m2-rf66-q93w","title":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization,...","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","status":"published","published":"2023-12-15T03:30:17Z","modified":"2023-12-28T18:30:33Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:55:16.928981Z"}],"nvd":[{"id":"CVE-2023-42183","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","status":"published","published":"2023-12-15T01:15:08.047Z","modified":"2026-06-17T06:23:33.8Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"CVE-2023-42183","description":"lockss-daemon (aka Classic LOCKSS Daemon) before 1.77.3 performs post-Unicode normalization, which may allow bypass of intended access restrictions, such as when U+1FEF is converted to a backtick.","status":"published","published":"2023-12-15T00:00:00Z","modified":"2026-10-28T10:40:37.5802668Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:33.792101Z"}]}}