{"id":"CVE-2023-46740","aliases":["EUVD-2024-0236","GHSA-4248-p65p-hcrm","GO-2024-2431"],"status":"published","title":"Insecure random string generator used for sensitive data","description":"CubeFS is an open-source cloud-native file storage system. Prior to version 3.3.1, CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges. When CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. An attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges. The issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00439,"percentile":0.38467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-330"],"published":"2024-01-03T16:14:08Z","modified":"2026-10-28T02:30:27Z","fixes":[{"ecosystem":"Go","package":"github.com/cubefs/cubefs","fixed_in":["3.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/cubefs/cubefs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cubefs/cubefs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.3.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/cubefs/cubefs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]}],"products":[{"vendor":"cubefs","product":"cubefs"},{"vendor":"linuxfoundation","product":"cubefs"}],"references":[{"url":"https://github.com/cubefs/cubefs/security/advisories/GHSA-4248-p65p-hcrm","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/cubefs/cubefs/commit/8555c6402794cabdf2cc025c8bea1576122c07ba","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46740","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4248-p65p-hcrm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46740.json","tags":["advisory"]},{"url":"https://github.com/cubefs/cubefs","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-46740","title":"Insecure random string generator used for sensitive data","description":"CubeFS is an open-source cloud-native file storage system. Prior to version 3.3.1, CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges. When CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. An attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges. The issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T16:20:18.619Z","modified":"2025-06-17T20:29:07.424Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:35:23.309349Z"}],"euvd":[{"id":"EUVD-2024-0236","description":"CubeFS is an open-source cloud-native file storage system. Prior to version 3.3.1, CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges. When CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. An attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges. The issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T16:20:18Z","modified":"2025-06-17T20:29:07Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:21.932311Z"}],"ghsa":[{"id":"GHSA-4248-p65p-hcrm","title":"Insecure random string generator used for sensitive data","description":"CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges.\n\nWhen CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. \n\nAn attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges.\n\nThere is no evidence of this vulnerability being exploited in the wild. It was found during a security audit carried out by [Ada Logics](https://adalogics.com/) in collaboration with [OSTIF](https://ostif.org/) and the [CNCF](https://www.cncf.io/).\n\nThe issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T16:14:08Z","modified":"2024-11-18T16:26:35Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L","level":"high"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:38:20.012356Z"}],"nvd":[{"id":"CVE-2023-46740","description":"CubeFS is an open-source cloud-native file storage system. Prior to version 3.3.1, CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges. When CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. An attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges. The issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T17:15:10.59Z","modified":"2026-06-17T06:31:27.693Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:08:59.830468Z"}],"osv":[{"id":"CVE-2023-46740","title":"Insecure random string generator used for sensitive data","description":"CubeFS is an open-source cloud-native file storage system. Prior to version 3.3.1, CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges. When CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. An attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges. The issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T16:20:18.619Z","modified":"2026-10-28T02:30:27.096493602Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T15:44:34.287121Z"},{"id":"GHSA-4248-p65p-hcrm","title":"Insecure random string generator used for sensitive data","description":"CubeFS used an insecure random string generator to generate user-specific, sensitive keys used to authenticate users in a CubeFS deployment. This could allow an attacker to predict and/or guess the generated string and impersonate a user thereby obtaining higher privileges.\n\nWhen CubeFS creates new users, it creates a piece of sensitive information for the user called the “accessKey”. To create the \"accesKey\", CubeFS uses an insecure string generator which makes it easy to guess and thereby impersonate the created user. \n\nAn attacker could leverage the predictable random string generator and guess a users access key and impersonate the user to obtain higher privileges.\n\nThere is no evidence of this vulnerability being exploited in the wild. It was found during a security audit carried out by [Ada Logics](https://adalogics.com/) in collaboration with [OSTIF](https://ostif.org/) and the [CNCF](https://www.cncf.io/).\n\nThe issue has been fixed in v3.3.1. There is no other mitigation than to upgrade.","status":"published","published":"2024-01-03T16:14:08Z","modified":"2026-09-10T03:50:04.702917631Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L","level":"high"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T15:46:36.434231Z"},{"id":"GO-2024-2431","title":"Insecure random string generator used for sensitive data in github.com/cubefs/cubefs","description":"Insecure random string generator used for sensitive data in github.com/cubefs/cubefs.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/cubefs/cubefs before v3.3.1.","status":"published","published":"2024-06-28T15:28:53Z","modified":"2024-07-09T19:33:56Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}