{"id":"CVE-2021-29245","aliases":["EUVD-2021-15884","GHSA-6p4w-gcxh-hf6c"],"status":"published","title":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate...","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00945,"percentile":0.61498,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-338"],"published":"2021-05-05T12:25:34Z","modified":"2026-10-20T10:54:36Z","products":[{"vendor":"btcpayserver","product":"btcpay_server"}],"references":[{"url":"https://github.com/btcpayserver/btcpayserver/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29245"},{"url":"https://github.com/advisories/GHSA-6p4w-gcxh-hf6c"}],"sources":{"cve":[{"id":"CVE-2021-29245","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","status":"published","published":"2021-05-05T12:25:34Z","modified":"2024-08-03T22:02:51.193Z","updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-15884","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","status":"published","published":"2021-05-05T12:25:34Z","modified":"2024-08-03T22:02:51Z","updated_at":"2026-11-03T03:24:45.000012Z"}],"ghsa":[{"id":"GHSA-6p4w-gcxh-hf6c","title":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate...","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","status":"published","published":"2022-05-24T19:01:25Z","modified":"2023-01-29T05:06:11Z","cwes":["CWE-338"],"updated_at":"2026-11-02T14:45:58.127346Z"}],"nvd":[{"id":"CVE-2021-29245","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","status":"published","published":"2021-05-05T13:15:07.583Z","modified":"2026-06-17T03:47:26.463Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","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-338"],"updated_at":"2026-11-02T14:06:52.81233Z"}],"osv":[{"id":"CVE-2021-29245","description":"BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API key.","status":"published","published":"2021-05-05T13:15:07.583Z","modified":"2026-10-20T10:54:36.712115804Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}