{"id":"CVE-2020-15216","aliases":["DEBIAN-CVE-2020-15216","EUVD-2021-1160","GHSA-q547-gmf8-8jr7","GO-2020-0050","UBUNTU-CVE-2020-15216"],"status":"published","title":"Signature Validation Bypass in goxmldsig","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00898,"percentile":0.59852,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-347"],"published":"2020-09-29T16:00:18Z","modified":"2026-10-26T12:00:23Z","fixes":[{"ecosystem":"Go","package":"github.com/russellhaering/goxmldsig","fixed_in":["1.1.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"golang-github-russellhaering-goxmldsig","fixed_in":["1.1.0-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/russellhaering/goxmldsig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"golang-github-russellhaering-goxmldsig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/russellhaering/goxmldsig","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/russellhaering/goxmldsig","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"golang-github-russellhaering-goxmldsig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20170911.b7efc62-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"golang-github-russellhaering-goxmldsig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20170911.b7efc62-1","0.0~git20180430.7acd5e4-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"golang-github-russellhaering-goxmldsig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-1","1.1.1-1"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"goxmldsig_project","product":"goxmldsig"},{"vendor":"russellhaering","product":"goxmldsig"}],"references":[{"url":"https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://github.com/russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://pkg.go.dev/github.com/russellhaering/goxmldsig?tab=overview","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15216","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP/"},{"url":"https://pkg.go.dev/vuln/GO-2020-0050","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q547-gmf8-8jr7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-15216","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-15216","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15216","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-15216","title":"Signature Validation Bypass in goxmldsig","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:00:18Z","modified":"2024-08-04T13:08:22.878Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2021-1160","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:00:18Z","modified":"2024-08-04T13:08:22Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:32.55679Z"}],"ghsa":[{"id":"GHSA-q547-gmf8-8jr7","title":"github.com/russellhaering/goxmldsig vulnerable to Signature Validation Bypass","description":"### Impact\nWith a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. \n\n### Patches\nA patch is available, all users of goxmldsig should upgrade to v1.1.0.\n\n### For more information\nIf you have any questions or comments about this advisory open an issue at https://github.com/russellhaering/goxmldsig","status":"published","published":"2021-05-24T16:57:32Z","modified":"2023-08-29T23:34:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:37:02.095916Z"}],"nvd":[{"id":"CVE-2020-15216","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:15:11.023Z","modified":"2026-06-17T02:56:17.317Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-15216","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:15:11.023Z","modified":"2026-10-20T10:51:53.741887176Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"DEBIAN-CVE-2020-15216","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:15:11.023Z","modified":"2026-10-26T12:00:23.925661629Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"GHSA-q547-gmf8-8jr7","title":"github.com/russellhaering/goxmldsig vulnerable to Signature Validation Bypass","description":"### Impact\nWith a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. \n\n### Patches\nA patch is available, all users of goxmldsig should upgrade to v1.1.0.\n\n### For more information\nIf you have any questions or comments about this advisory open an issue at https://github.com/russellhaering/goxmldsig","status":"published","published":"2021-05-24T16:57:32Z","modified":"2026-07-08T06:27:07.640840671Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"UBUNTU-CVE-2020-15216","description":"In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0","status":"published","published":"2020-09-29T16:15:00Z","modified":"2025-10-24T04:48:35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"GO-2020-0050","title":"XML digital signature validation bypass in github.com/russellhaering/goxmldsig","description":"Due to the behavior of encoding/xml, a crafted XML document may cause XML Digital Signature validation to be entirely bypassed, causing an unsigned document to appear signed.","status":"published","published":"2021-04-14T20:04:52Z","modified":"2026-02-04T02:38:14.20993Z","updated_at":"2026-11-02T15:47:00.604718Z"}]}}