{"id":"CVE-2021-3131","aliases":["EUVD-2021-26479","GHSA-g9qv-25h9-wcvw"],"status":"published","title":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the...","description":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00973,"percentile":0.62325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-326","CWE-522"],"published":"2021-01-13T15:46:02Z","modified":"2026-06-17T04:04:43Z","exploits":[{"source":"pocgithub","id":"jet-pentest/CVE-2021-3131","title":"jet-pentest/CVE-2021-3131","date":"2021-01-13","url":"https://github.com/jet-pentest/CVE-2021-3131"}],"products":[{"vendor":"1c","product":"1c\\"}],"references":[{"url":"https://github.com/jet-pentest/CVE-2021-3131","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3131"},{"url":"https://github.com/advisories/GHSA-g9qv-25h9-wcvw"}],"sources":{"cve":[{"id":"CVE-2021-3131","description":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.","status":"published","published":"2021-01-13T15:46:02Z","modified":"2024-08-03T16:45:51.262Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26479","description":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.","status":"published","published":"2021-01-13T15:46:02Z","modified":"2024-08-03T16:45:51Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-g9qv-25h9-wcvw","title":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the...","description":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.","status":"published","published":"2022-05-24T17:39:13Z","modified":"2023-01-27T05:02:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:42:05.364036Z"}],"nvd":[{"id":"CVE-2021-3131","description":"The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.","status":"published","published":"2021-01-13T16:15:14.553Z","modified":"2026-06-17T04:04:43.427Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}