{"url":"http://public2.vulnerablecode.io/api/packages/52892?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.0","type":"maven","namespace":"io.undertow","name":"undertow-core","version":"1.4.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.4.17","latest_non_vulnerable_version":"2.4.0.Beta1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/40121?format=json","vulnerability_id":"VCID-387y-knja-ukh8","summary":"Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)\nIt was discovered in Undertow that the code that parses the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own.","references":[{"reference_url":"http://rhn.redhat.com/errata/RHSA-2017-1409.html","reference_id":"","reference_type":"","scores":[],"url":"http://rhn.redhat.com/errata/RHSA-2017-1409.html"},{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-2666.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-2666.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-2666","reference_id":"","reference_type":"","scores":[{"value":"0.01394","scoring_system":"epss","scoring_elements":"0.8072","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-2666"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2666","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2666"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2666","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2666"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2670","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2670"},{"reference_url":"https://github.com/advisories/GHSA-mcfm-h73v-635m","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-mcfm-h73v-635m"},{"reference_url":"http://www.securityfocus.com/bid/98966","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/98966"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1436163","reference_id":"1436163","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1436163"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864405","reference_id":"864405","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864405"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2666","reference_id":"CVE-2017-2666","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2666"},{"reference_url":"https://access.redhat.com/errata/RHSA-2017:1409","reference_id":"RHSA-2017:1409","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2017:1409"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/54830?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.17.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-387y-knja-ukh8"},{"vulnerability":"VCID-4gjh-hhzw-jyda"},{"vulnerability":"VCID-4qfb-8hen-qkc7"},{"vulnerability":"VCID-4zav-auak-8qbu"},{"vulnerability":"VCID-63qx-1wuv-qufb"},{"vulnerability":"VCID-641y-uckh-gfen"},{"vulnerability":"VCID-kkn4-9xex-fyb7"},{"vulnerability":"VCID-qbnn-jmjd-qqbx"},{"vulnerability":"VCID-rxsj-32jz-wugq"},{"vulnerability":"VCID-uenh-qgna-t7c4"},{"vulnerability":"VCID-w6r9-g7sc-y3ed"},{"vulnerability":"VCID-wncj-73h2-y3cw"},{"vulnerability":"VCID-xdmu-mgga-xuf2"},{"vulnerability":"VCID-yaw7-jmu3-qyeb"},{"vulnerability":"VCID-zhjh-bx17-pkdc"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@1.4.17.Final"},{"url":"http://public2.vulnerablecode.io/api/packages/143382?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.17","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@1.4.17"},{"url":"http://public2.vulnerablecode.io/api/packages/52891?format=json","purl":"pkg:maven/io.undertow/undertow-core@2.0.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-me9g-1s7c-m7cw"},{"vulnerability":"VCID-pkzf-4u9a-c3hq"},{"vulnerability":"VCID-v3z6-4r9w-8yd1"},{"vulnerability":"VCID-xdmu-mgga-xuf2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.0.0"},{"url":"http://public2.vulnerablecode.io/api/packages/56183?format=json","purl":"pkg:maven/io.undertow/undertow-core@2.0.0.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4gjh-hhzw-jyda"},{"vulnerability":"VCID-4qfb-8hen-qkc7"},{"vulnerability":"VCID-4zav-auak-8qbu"},{"vulnerability":"VCID-63qx-1wuv-qufb"},{"vulnerability":"VCID-641y-uckh-gfen"},{"vulnerability":"VCID-kkn4-9xex-fyb7"},{"vulnerability":"VCID-me9g-1s7c-m7cw"},{"vulnerability":"VCI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Interpretation of HTTP Requests (HTTP Request Smuggling)\nInvalid characters are allowed in query strings and path parameters. 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By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7559.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7559.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7559","reference_id":"","reference_type":"","scores":[{"value":"0.01128","scoring_system":"epss","scoring_elements":"0.78644","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7559"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7559","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7559"},{"reference_url":"https://github.com/undertow-io/undertow","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/undertow-io/undertow"},{"reference_url":"https://issues.jboss.org/browse/UNDERTOW-1251","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://issues.jboss.org/browse/UNDERTOW-1251"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1481665","reference_id":"1481665","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1481665"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885576","reference_id":"885576","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885576"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7559","reference_id":"CVE-2017-7559","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7559"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/54830?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.17.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-387y-knja-ukh8"},{"vulnerability":"VCID-4gjh-hhzw-jyda"},{"vulnerability":"VCID-4qfb-8hen-qkc7"},{"vulnerability":"VCID-4zav-auak-8qbu"},{"vulnerability":"VCID-63qx-1wuv-qufb"},{"vulnerability":"VCID-641y-uckh-gfen"},{"vulnerability":"VCID-kkn4-9xex-fyb7"},{"vulnerability":"VCID-qbnn-jmjd-qqbx"},{"vulnerability":"VCID-rxsj-32jz-wugq"},{"vulnerability":"VCID-uenh-qgna-t7c4"},{"vulnerability":"VCID-w6r9-g7sc-y3ed"},{"vulnerability":"VCID-wncj-73h2-y3cw"},{"vulnerability":"VCID-xdmu-mgga-xuf2"},{"vulnerability":"VCID-yaw7-jmu3-qyeb"},{"vulnerability":"VCID-zhjh-bx17-pkdc"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@1.4.17.Final"},{"url":"http://public2.vulnerablecode.io/api/packages/151302?format=json","purl":"pkg:maven/io.undertow/undertow-core@2.0.0.Alpha2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.0.0.Alpha2"},{"url":"http://public2.vulnerablecode.io/api/packages/54831?format=json","purl":"pkg:maven/io.undertow/undertow-core@2.0.1.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4gjh-hhzw-jyda"},{"vulnerability":"VCID-4qfb-8hen-qkc7"},{"vulnerability":"VCID-4zav-auak-8qbu"},{"vulnerability":"VCID-63qx-1wuv-qufb"},{"vulnerability":"VCID-641y-uckh-gfen"},{"vulnerability":"VCID-kkn4-9xex-fyb7"},{"vulnerability":"VCID-qbnn-jmjd-qqbx"},{"vulnerability":"VCID-rxsj-32jz-wugq"},{"vulnerability":"VCID-uenh-qgna-t7c4"},{"vulnerability":"VCID-w6r9-g7sc-y3ed"},{"vulnerability":"VCID-xdmu-mgga-xuf2"},{"vulnerability":"VCID-zhjh-bx17-pkdc"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.0.1.Final"}],"aliases":["CVE-2017-7559","GHSA-rj76-h87p-r3wf"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-pkzf-4u9a-c3hq"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/40122?format=json","vulnerability_id":"VCID-vwcx-hrtg-pygs","summary":"Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)\nIt was discovered that Undertow processes http request headers with unusual whitespaces which can cause possible http request smuggling.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12165.json","reference_id":"","reference_type":"","scores":[{"value":"2.6","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12165.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-12165","reference_id":"","reference_type":"","scores":[{"value":"0.01096","scoring_system":"epss","scoring_elements":"0.78343","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-12165"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165"},{"reference_url":"https://github.com/undertow-io/undertow","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/undertow-io/undertow"},{"reference_url":"https://github.com/undertow-io/undertow/commit/1e72647818c9fb31b693a953b1ae595a6c82eb7f","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/undertow-io/undertow/commit/1e72647818c9fb31b693a953b1ae595a6c82eb7f"},{"reference_url":"https://github.com/undertow-io/undertow/commit/5b008b7ac312c6cdb76679ff58c43620bb79d44f","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/undertow-io/undertow/commit/5b008b7ac312c6cdb76679ff58c43620bb79d44f"},{"reference_url":"https://github.com/undertow-io/undertow/commit/691440ee58259fba76711b60d56dde6679808bdc","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/undertow-io/undertow/commit/691440ee58259fba76711b60d56dde6679808bdc"},{"reference_url":"https://issues.redhat.com/browse/UNDERTOW-1251","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://issues.redhat.com/browse/UNDERTOW-1251"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1490301","reference_id":"1490301","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1490301"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885338","reference_id":"885338","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885338"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12165","reference_id":"CVE-2017-12165","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12165"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/54830?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.17.Final","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-387y-knja-ukh8"},{"vulnerability":"VCID-4gjh-hhzw-jyda"},{"vulnerability":"VCID-4qfb-8hen-qkc7"},{"vulnerability":"VCID-4zav-auak-8qbu"},{"vulnerability":"VCID-63qx-1wuv-qufb"},{"vulnerability":"VCID-641y-uckh-gfen"},{"vulnerability":"VCID-kkn4-9xex-fyb7"},{"vulnerability":"VCID-qbnn-jmjd-qqbx"},{"vulnerability":"VCID-rxsj-32jz-wugq"},{"vulnerability":"VCID-uenh-qgna-t7c4"},{"vulnerability":"VCID-w6r9-g7sc-y3ed"},{"vulnerability":"VCID-wncj-73h2-y3cw"},{"vulnerability":"VCID-xdmu-mgga-xuf2"},{"vulnerability":"VCID-yaw7-jmu3-qyeb"},{"vulnerability":"VCID-zhjh-bx17-pkdc"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@1.4.17.Final"},{"url":"http://public2.vulnerablecode.io/api/packages/143382?format=json","purl":"pkg:maven/io.undertow/undertow-core@1.4.17","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@1.4.17"},{"url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