{"cve":"CVE-2020-36563","nvd":{"published":"2022-12-28T03:15:09.560","modified":"2026-06-17T03:15:44.717","status":"Modified","description":"XML Digital Signatures generated and validated using this package use SHA-1, which may allow an attacker to craft inputs which cause hash collisions depending on their control over the input.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-347"],"references":["https://github.com/RobotsAndPencils/go-saml/pull/38","https://pkg.go.dev/vuln/GO-2020-0047","https://github.com/RobotsAndPencils/go-saml/pull/38","https://pkg.go.dev/vuln/GO-2020-0047"],"products":["robotsandpencils:go-saml"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2020-36563","score":0.00316,"percentile":0.24535,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5rhg-xhgr-5hfj","url":"https://osv.dev/vulnerability/GHSA-5rhg-xhgr-5hfj","summary":"go-saml's XML Digital Signatures use SHA-1","modified":"2025-04-11T23:46:44Z","packages":[{"ecosystem":"Go","name":"github.com/RobotsAndPencils/go-saml","purl":"pkg:golang/github.com/RobotsAndPencils/go-saml","ranges":["<=0.0.0-20170520135329-fb13cb52a46b"],"fixed":[]}]},{"id":"GO-2020-0047","url":"https://osv.dev/vulnerability/GO-2020-0047","summary":"Weak hash (SHA-1) in github.com/RobotsAndPencils/go-saml","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"github.com/RobotsAndPencils/go-saml","purl":"pkg:golang/github.com/RobotsAndPencils/go-saml","ranges":["all versions"],"fixed":[]}]}],"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."]}