{"cve":"CVE-2020-13101","nvd":{"published":"2020-08-24T08:15:10.550","modified":"2026-06-17T02:52:38.100","status":"Modified","description":"In OASIS Digital Signature Services (DSS) 1.0, an attacker can control the validation outcome (i.e., trigger either a valid or invalid outcome for a valid or invalid signature) via a crafted XML signature, when the InlineXML option is used. This defeats the expectation of non-repudiation.","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:H/A:N","score":7.5},"cwes":["CWE-347"],"references":["https://www.oasis-open.org/apps/org/workgroup/dss-x/","https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=dss-x","https://www.oasis-open.org/standards#dssv1.0","https://www.oasis-open.org/apps/org/workgroup/dss-x/","https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=dss-x"],"products":["oasis-open:oasis_digital_signature_services"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-13101","score":0.00733,"percentile":0.54375,"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."]}