{"id":"CVE-2023-43768","aliases":["EUVD-2023-48145","GHSA-vwc8-vmvr-qqcf"],"status":"published","title":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1....","description":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00916,"percentile":0.60477,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2024-03-27T00:00:00Z","modified":"2026-06-17T06:26:24Z","products":[{"vendor":"couchbase","product":"couchbase_server"}],"references":[{"url":"https://forums.couchbase.com/tags/security","tags":["x_transferred","Product"]},{"url":"https://www.couchbase.com/downloads","tags":["x_transferred","Product"]},{"url":"https://docs.couchbase.com/server/current/release-notes/relnotes.html","tags":["x_transferred","Release Notes"]},{"url":"https://www.couchbase.com/alerts/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43768"},{"url":"https://www.couchbase.com/alerts"},{"url":"https://github.com/advisories/GHSA-vwc8-vmvr-qqcf"}],"sources":{"cve":[{"id":"CVE-2023-43768","description":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.","status":"published","published":"2024-03-27T00:00:00Z","modified":"2024-08-05T14:33:35.879Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-48145","description":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.","status":"published","published":"2024-03-27T00:00:00Z","modified":"2024-08-05T14:33:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T02:39:18.505086Z"}],"ghsa":[{"id":"GHSA-vwc8-vmvr-qqcf","title":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1....","description":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.","status":"published","published":"2024-03-27T09:30:39Z","modified":"2024-08-05T18:31:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:57:51.247803Z"}],"nvd":[{"id":"CVE-2023-43768","description":"An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.","status":"published","published":"2024-03-27T07:15:48.39Z","modified":"2026-06-17T06:26:24.363Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:09:10.192572Z"}]}}