{"id":"CVE-2021-35060","aliases":["EUVD-2021-21705","GHSA-j379-3r55-f3wq"],"status":"published","title":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to...","description":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.","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":0.00837,"percentile":0.58187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-209"],"published":"2021-10-11T08:24:26Z","modified":"2026-06-17T03:57:03Z","products":[{"vendor":"openwaygroup","product":"way4"}],"references":[{"url":"https://www.openwaygroup.com/way4-platform","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://gist.github.com/exviry/9527ce2ccdc0718d3ffd1e3ca62cf304","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35060"},{"url":"https://github.com/advisories/GHSA-j379-3r55-f3wq"}],"sources":{"cve":[{"id":"CVE-2021-35060","description":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.","status":"published","published":"2021-10-11T08:24:26Z","modified":"2024-08-04T00:33:50.665Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21705","description":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.","status":"published","published":"2021-10-11T08:24:26Z","modified":"2024-08-04T00:33:50Z","updated_at":"2026-11-03T03:24:30.986651Z"}],"ghsa":[{"id":"GHSA-j379-3r55-f3wq","title":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to...","description":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.","status":"published","published":"2022-05-24T19:17:13Z","modified":"2023-01-30T05:02:45Z","cwes":["CWE-209"],"updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-35060","description":"/way4acs/enroll in OpenWay WAY4 ACS before 1.2.278-2693 allows unauthenticated attackers to leverage response differences to discover whether a specific payment card number is stored in the system.","status":"published","published":"2021-10-11T09:15:08.42Z","modified":"2026-06-17T03:57:03.543Z","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-209"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}