{"url":"http://public2.vulnerablecode.io/api/packages/303012?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.4.4","type":"maven","namespace":"com.vaadin","name":"flow-server","version":"2.4.4","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.6.2","latest_non_vulnerable_version":"25.0.2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54399?format=json","vulnerability_id":"VCID-hqrf-7nbq-9bdw","summary":"Information Exposure Through Discrepancy\nA non-constant-time comparison of CSRF tokens in UIDL request handler in `com.vaadin:flow-server` allows attacker to guess a security token via timing attack.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31404","reference_id":"","reference_type":"","scores":[{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.14389","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.14459","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31404"},{"reference_url":"https://github.com/vaadin/flow/pull/9875","reference_id":"","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/9875"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-xwg3-qrcg-w9x6","reference_id":"","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-xwg3-qrcg-w9x6"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31404","reference_id":"CVE-2021-31404","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/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-2021-31404"},{"reference_url":"https://vaadin.com/security/cve-2021-31404","reference_id":"CVE-2021-31404","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2021-31404"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80499?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.4.7","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"},{"vulnerability":"VCID-yu3h-ecpv-qyhu"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.4.7"},{"url":"http://public2.vulnerablecode.io/api/packages/302957?format=json","purl":"pkg:maven/com.vaadin/flow-server@4.0.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2fz6-rucr-xqax"},{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@4.0.1"},{"url":"http://public2.vulnerablecode.io/api/packages/80486?format=json","purl":"pkg:maven/com.vaadin/flow-server@5.0.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2fz6-rucr-xqax"},{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@5.0.3"}],"aliases":["CVE-2021-31404","GHSA-xwg3-qrcg-w9x6"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-hqrf-7nbq-9bdw"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54448?format=json","vulnerability_id":"VCID-jxzf-6sus-t7et","summary":"Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19\nInsecure temporary directory usage in frontend build functionality of `com.vaadin:flow-server` versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.\n\n- https://vaadin.com/security/cve-2021-31411","references":[{"reference_url":"https://github.com/vaadin/flow","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow"},{"reference_url":"https://github.com/advisories/GHSA-c57f-4vp2-jqhm","reference_id":"GHSA-c57f-4vp2-jqhm","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-c57f-4vp2-jqhm"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-c57f-4vp2-jqhm","reference_id":"GHSA-c57f-4vp2-jqhm","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-c57f-4vp2-jqhm"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80648?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.5.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.5.3"},{"url":"http://public2.vulnerablecode.io/api/packages/80649?format=json","purl":"pkg:maven/com.vaadin/flow-server@6.0.6","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@6.0.6"}],"aliases":["GHSA-c57f-4vp2-jqhm","GMS-2021-141"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-jxzf-6sus-t7et"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/41595?format=json","vulnerability_id":"VCID-kkf3-sqmf-f3ft","summary":"Possible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19\nImproper sanitization of path in default `RouteNotFoundError` view in `com.vaadin:flow-server` versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), and 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows network attacker to enumerate all available routes via crafted HTTP request when application is running in production mode and no custom handler for `NotFoundException` is provided.","references":[{"reference_url":"https://vaadin.com/security/cve-2021-31412","reference_id":"CVE-2021-31412","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2021-31412"},{"reference_url":"https://github.com/advisories/GHSA-fr26-qjc8-mvjx","reference_id":"GHSA-fr26-qjc8-mvjx","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-fr26-qjc8-mvjx"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-fr26-qjc8-mvjx","reference_id":"GHSA-fr26-qjc8-mvjx","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-fr26-qjc8-mvjx"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/59289?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.6.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.6.2"},{"url":"http://public2.vulnerablecode.io/api/packages/59290?format=json","purl":"pkg:maven/com.vaadin/flow-server@6.0.10","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@6.0.10"}],"aliases":["GHSA-fr26-qjc8-mvjx","GMS-2021-142"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-kkf3-sqmf-f3ft"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54685?format=json","vulnerability_id":"VCID-rqmz-fd9j-ykea","summary":"Improper Neutralization in com.vaadin:flow-server.","references":[{"reference_url":"https://vaadin.com/security/cve-2021-33604","reference_id":"CVE-2021-33604","reference_type":"","scores":[{"value":"2.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2021-33604"},{"reference_url":"https://github.com/advisories/GHSA-8vfw-v2jv-9hwc","reference_id":"GHSA-8vfw-v2jv-9hwc","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-8vfw-v2jv-9hwc"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-8vfw-v2jv-9hwc","reference_id":"GHSA-8vfw-v2jv-9hwc","reference_type":"","scores":[{"value":"2.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-8vfw-v2jv-9hwc"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/59289?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.6.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.6.2"},{"url":"http://public2.vulnerablecode.io/api/packages/59290?format=json","purl":"pkg:maven/com.vaadin/flow-server@6.0.10","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@6.0.10"}],"aliases":["GHSA-8vfw-v2jv-9hwc","GMS-2021-140"],"risk_score":1.4,"exploitability":"0.5","weighted_severity":"2.7","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-rqmz-fd9j-ykea"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54396?format=json","vulnerability_id":"VCID-yu3h-ecpv-qyhu","summary":"Exposure of Resource to Wrong Sphere\nA vulnerability in the OSGi integration in `com.vaadin:flow-server` allows attackers to access application classes and resources on the server via crafted HTTP request.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31407","reference_id":"","reference_type":"","scores":[{"value":"0.01802","scoring_system":"epss","scoring_elements":"0.83164","published_at":"2026-06-05T12:55:00Z"},{"value":"0.01802","scoring_system":"epss","scoring_elements":"0.83139","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31407"},{"reference_url":"https://github.com/vaadin/flow","reference_id":"","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow"},{"reference_url":"https://github.com/vaadin/flow/pull/10229","reference_id":"","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/10229"},{"reference_url":"https://github.com/vaadin/flow/pull/10269","reference_id":"","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/10269"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-25xc-jwfq-39jw","reference_id":"","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-25xc-jwfq-39jw"},{"reference_url":"https://github.com/vaadin/osgi/issues/50","reference_id":"","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/osgi/issues/50"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31407","reference_id":"CVE-2021-31407","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31407"},{"reference_url":"https://vaadin.com/security/cve-2021-31407","reference_id":"CVE-2021-31407","reference_type":"","scores":[{"value":"8.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2021-31407"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80513?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.4.8","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.4.8"},{"url":"http://public2.vulnerablecode.io/api/packages/80512?format=json","purl":"pkg:maven/com.vaadin/flow-server@6.0.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"},{"vulnerability":"VCID-yu3h-ecpv-qyhu"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@6.0.1"},{"url":"http://public2.vulnerablecode.io/api/packages/80514?format=json","purl":"pkg:maven/com.vaadin/flow-server@6.0.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-jxzf-6sus-t7et"},{"vulnerability":"VCID-kkf3-sqmf-f3ft"},{"vulnerability":"VCID-rqmz-fd9j-ykea"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@6.0.2"}],"aliases":["CVE-2021-31407","GHSA-25xc-jwfq-39jw"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-yu3h-ecpv-qyhu"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.4.4"}