{"cve":"CVE-2021-35060","nvd":{"published":"2021-10-11T09:15:08.420","modified":"2026-06-17T03:57:03.543","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-209"],"references":["https://gist.github.com/exviry/9527ce2ccdc0718d3ffd1e3ca62cf304","https://www.openwaygroup.com/way4-platform","https://gist.github.com/exviry/9527ce2ccdc0718d3ffd1e3ca62cf304","https://www.openwaygroup.com/way4-platform"],"products":["openwaygroup:way4"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-35060","score":0.00837,"percentile":0.57767,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}