{"url":"http://public2.vulnerablecode.io/api/packages/303003?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.3.1","type":"maven","namespace":"com.vaadin","name":"flow-server","version":"2.3.1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.4.8","latest_non_vulnerable_version":"25.0.2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54394?format=json","vulnerability_id":"VCID-5nk4-urbw-suee","summary":"Path Traversal\nImproper URL validation in development mode handler in `com.vaadin:flow-server` allows attacker to request arbitrary files stored outside of intended frontend resources folder.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-36321","reference_id":"","reference_type":"","scores":[{"value":"0.00551","scoring_system":"epss","scoring_elements":"0.68345","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-36321"},{"reference_url":"https://github.com/vaadin/flow/pull/9392","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/9392"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8f","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8f"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36321","reference_id":"CVE-2020-36321","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36321"},{"reference_url":"https://vaadin.com/security/cve-2020-36321","reference_id":"CVE-2020-36321","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2020-36321"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80504?format=json","purl":"pkg:maven/com.vaadin/flow-server@2.4.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-hqrf-7nbq-9bdw"},{"vulnerability":"VCID-yu3h-ecpv-qyhu"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@2.4.2"},{"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"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@4.0.1"},{"url":"http://public2.vulnerablecode.io/api/packages/80496?format=json","purl":"pkg:maven/com.vaadin/flow-server@5.0.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2fz6-rucr-xqax"},{"vulnerability":"VCID-hqrf-7nbq-9bdw"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-server@5.0.0"}],"aliases":["CVE-2020-36321","GHSA-49r2-73m6-pp8f"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-5nk4-urbw-suee"},{"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"}],"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-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"}],"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"}],"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/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":"0.83139","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":false,"affected_by_vulnerabilities":[],"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-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":false,"affected_by_vulnerabilities":[],"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@2.3.1"}