{"cve":"CVE-2020-29511","nvd":{"published":"2020-12-14T20:15:13.280","modified":"2026-06-17T03:11:23.583","status":"Modified","description":"The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","score":5.6},"cwes":["CWE-115"],"references":["https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md","https://security.netapp.com/advisory/ntap-20210129-0006/","https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md","https://security.netapp.com/advisory/ntap-20210129-0006/"],"products":["golang:go","netapp:trident"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-29511","score":0.01966,"percentile":0.8036,"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."]}