{"cve":"CVE-2020-12118","nvd":{"published":"2020-04-23T22:15:12.913","modified":"2026-06-17T02:51:26.247","status":"Modified","description":"The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.","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:L/A:N","score":8.2},"cwes":["CWE-276"],"references":["https://github.com/binance-chain/tss-lib/pull/89","https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0","https://github.com/binance-chain/tss-lib/pull/89","https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0"],"products":["binance:tss-lib"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-12118","score":0.01279,"percentile":0.70003,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-399h-cmvp-qgx5","url":"https://osv.dev/vulnerability/GHSA-399h-cmvp-qgx5","summary":"Incorrect Default Permissions in Binance tss-lib","modified":"2024-08-21T15:42:04.764269Z","packages":[{"ecosystem":"Go","name":"github.com/binance-chain/tss-lib","purl":"pkg:golang/github.com/binance-chain/tss-lib","ranges":["<1.2.0"],"fixed":["1.2.0"]}]},{"id":"GO-2022-0769","url":"https://osv.dev/vulnerability/GO-2022-0769","summary":"Incorrect Default Permissions in Binance tss-lib in github.com/binance-chain/tss-lib","modified":"2026-03-03T04:52:15.939870Z","packages":[{"ecosystem":"Go","name":"github.com/binance-chain/tss-lib","purl":"pkg:golang/github.com/binance-chain/tss-lib","ranges":["<1.2.0"],"fixed":["1.2.0"]}]}],"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."]}