{"cve":"CVE-2019-16753","nvd":{"published":"2019-12-04T20:15:12.667","modified":"2026-06-17T02:22:43.823","status":"Modified","description":"An issue was discovered in Decentralized Anonymous Payment System (DAPS) through 2019-08-26. The content to be signed is composed of a representation of strings, rather than being composed of their binary representations. This is a weak signature scheme design that would allow the reuse of signatures in some cases (or even the reuse of signatures, intended for one type of message, for another type). This also affects Private Instant Verified Transactions (PIVX) through 3.4.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-347"],"references":["https://officialdapscoin.com/wp-content/uploads/2019/09/DAPS-Coin-Final-Security-Audit-Red4Sec-2019.pdf","https://officialdapscoin.com/wp-content/uploads/2019/09/DAPS-Coin-Final-Security-Audit-Red4Sec-2019.pdf"],"products":["decentralized_anonymous_payment_system_project:decentralized_anonymous_payment_system","pivx:private_instant_verified_transactions"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-16753","score":0.00744,"percentile":0.54758,"date":"2026-10-31"},"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."]}