{"url":"http://public2.vulnerablecode.io/api/packages/80402?format=json","purl":"pkg:maven/com.vaadin/flow-client@5.0.0","type":"maven","namespace":"com.vaadin","name":"flow-client","version":"5.0.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"6.0.5","latest_non_vulnerable_version":"23.0.9","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54393?format=json","vulnerability_id":"VCID-93dy-76qc-8fb7","summary":"Insufficient Session Expiration\nAuthentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the user attempted to log out.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31408","reference_id":"","reference_type":"","scores":[{"value":"0.00048","scoring_system":"epss","scoring_elements":"0.15139","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00048","scoring_system":"epss","scoring_elements":"0.15215","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00048","scoring_system":"epss","scoring_elements":"0.15225","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-31408"},{"reference_url":"https://github.com/vaadin/flow/pull/10577","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/10577"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31408","reference_id":"CVE-2021-31408","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31408"},{"reference_url":"https://vaadin.com/security/cve-2021-31408","reference_id":"CVE-2021-31408","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://vaadin.com/security/cve-2021-31408"},{"reference_url":"https://github.com/advisories/GHSA-mr8h-j9cv-4m8h","reference_id":"GHSA-mr8h-j9cv-4m8h","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-mr8h-j9cv-4m8h"},{"reference_url":"https://github.com/vaadin/platform/security/advisories/GHSA-mr8h-j9cv-4m8h","reference_id":"GHSA-mr8h-j9cv-4m8h","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/platform/security/advisories/GHSA-mr8h-j9cv-4m8h"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80403?format=json","purl":"pkg:maven/com.vaadin/flow-client@6.0.5","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-client@6.0.5"}],"aliases":["CVE-2021-31408","GHSA-mr8h-j9cv-4m8h"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-93dy-76qc-8fb7"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54388?format=json","vulnerability_id":"VCID-rz3g-vj4c-yyex","summary":"Cross-Site Request Forgery (CSRF) in com.vaadin:flow-client.","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:N/UI:R/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/vaadin/flow/commit/815b967fc84fefa8d3a4d72b9a036f48b0d96326","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/commit/815b967fc84fefa8d3a4d72b9a036f48b0d96326"},{"reference_url":"https://github.com/vaadin/flow/pull/10577","reference_id":"","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/vaadin/flow/pull/10577"},{"reference_url":"https://github.com/advisories/GHSA-6hgr-2g6q-3rmc","reference_id":"GHSA-6hgr-2g6q-3rmc","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-6hgr-2g6q-3rmc"},{"reference_url":"https://github.com/vaadin/flow/security/advisories/GHSA-6hgr-2g6q-3rmc","reference_id":"GHSA-6hgr-2g6q-3rmc","reference_type":"","scores":[{"value":"6.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/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-6hgr-2g6q-3rmc"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80403?format=json","purl":"pkg:maven/com.vaadin/flow-client@6.0.5","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-client@6.0.5"}],"aliases":["GHSA-6hgr-2g6q-3rmc","GMS-2021-139"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-rz3g-vj4c-yyex"}],"fixing_vulnerabilities":[],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/com.vaadin/flow-client@5.0.0"}