{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/8946?format=json","vulnerability_id":"VCID-pr11-wppc-ubem","summary":"","aliases":[{"alias":"CVE-2021-20230"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/104627?format=json","purl":"pkg:deb/debian/stunnel4@3:5.56%2Bdfsg-8?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.56%252Bdfsg-8%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/1087784?format=json","purl":"pkg:deb/debian/stunnel4@3:5.56%2Bdfsg-10","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.56%252Bdfsg-10"},{"url":"http://public2.vulnerablecode.io/api/packages/104618?format=json","purl":"pkg:deb/debian/stunnel4@3:5.56%2Bdfsg-10?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.56%252Bdfsg-10%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/104616?format=json","purl":"pkg:deb/debian/stunnel4@3:5.68-2%2Bdeb12u1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.68-2%252Bdeb12u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/104620?format=json","purl":"pkg:deb/debian/stunnel4@3:5.74-2?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.74-2%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/104619?format=json","purl":"pkg:deb/debian/stunnel4@3:5.78-2?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.78-2%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/4465?format=json","purl":"pkg:ebuild/net-misc/stunnel@5.58","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:ebuild/net-misc/stunnel@5.58"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/1076021?format=json","purl":"pkg:deb/debian/stunnel4@2:4.090-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4p5d-au2x-kbbm"},{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"},{"vulnerability":"VCID-t4py-tztb-rqaz"},{"vulnerability":"VCID-w5vd-6tz6-gbgz"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@2:4.090-1"},{"url":"http://public2.vulnerablecode.io/api/packages/1076022?format=json","purl":"pkg:deb/debian/stunnel4@3:4.18-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4p5d-au2x-kbbm"},{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"},{"vulnerability":"VCID-t4py-tztb-rqaz"},{"vulnerability":"VCID-w5vd-6tz6-gbgz"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:4.18-2"},{"url":"http://public2.vulnerablecode.io/api/packages/1076023?format=json","purl":"pkg:deb/debian/stunnel4@3:4.22-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4p5d-au2x-kbbm"},{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"},{"vulnerability":"VCID-w5vd-6tz6-gbgz"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:4.22-2"},{"url":"http://public2.vulnerablecode.io/api/packages/1076024?format=json","purl":"pkg:deb/debian/stunnel4@3:4.29-1%2Bsqueeze1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4p5d-au2x-kbbm"},{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"},{"vulnerability":"VCID-w5vd-6tz6-gbgz"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:4.29-1%252Bsqueeze1"},{"url":"http://public2.vulnerablecode.io/api/packages/1076025?format=json","purl":"pkg:deb/debian/stunnel4@3:4.53-1.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:4.53-1.1"},{"url":"http://public2.vulnerablecode.io/api/packages/1076026?format=json","purl":"pkg:deb/debian/stunnel4@3:5.06-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.06-2"},{"url":"http://public2.vulnerablecode.io/api/packages/1076027?format=json","purl":"pkg:deb/debian/stunnel4@3:5.06-2%2Bdeb8u1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-mhru-54bm-5udq"},{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.06-2%252Bdeb8u1"},{"url":"http://public2.vulnerablecode.io/api/packages/1083799?format=json","purl":"pkg:deb/debian/stunnel4@3:5.30-1~bpo8%2B1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.30-1~bpo8%252B1"},{"url":"http://public2.vulnerablecode.io/api/packages/1087782?format=json","purl":"pkg:deb/debian/stunnel4@3:5.39-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.39-2"},{"url":"http://public2.vulnerablecode.io/api/packages/1087783?format=json","purl":"pkg:deb/debian/stunnel4@3:5.50-3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/stunnel4@3:5.50-3"},{"url":"http://public2.vulnerablecode.io/api/packages/343098?format=json","purl":"pkg:rpm/redhat/stunnel@5.48-6?arch=el8_2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/stunnel@5.48-6%3Farch=el8_2"},{"url":"http://public2.vulnerablecode.io/api/packages/343099?format=json","purl":"pkg:rpm/redhat/stunnel@5.48-6?arch=el8_1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/stunnel@5.48-6%3Farch=el8_1"},{"url":"http://public2.vulnerablecode.io/api/packages/343097?format=json","purl":"pkg:rpm/redhat/stunnel@5.56-5?arch=el8_3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-pr11-wppc-ubem"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/stunnel@5.56-5%3Farch=el8_3"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20230.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20230.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-20230","reference_id":"","reference_type":"","scores":[{"value":"0.00209","scoring_system":"epss","scoring_elements":"0.43398","published_at":"2026-06-11T12:55:00Z"},{"value":"0.00209","scoring_system":"epss","scoring_elements":"0.43555","published_at":"2026-06-12T12:55:00Z"},{"value":"0.00209","scoring_system":"epss","scoring_elements":"0.43574","published_at":"2026-06-13T12:55:00Z"},{"value":"0.00209","scoring_system":"epss","scoring_elements":"0.43565","published_at":"2026-06-14T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-20230"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20230","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20230"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1925226","reference_id":"1925226","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1925226"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982578","reference_id":"982578","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982578"},{"reference_url":"https://security.gentoo.org/glsa/202105-02","reference_id":"GLSA-202105-02","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202105-02"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:0618","reference_id":"RHSA-2021:0618","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:0618"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:0619","reference_id":"RHSA-2021:0619","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:0619"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:0620","reference_id":"RHSA-2021:0620","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:0620"},{"reference_url":"https://usn.ubuntu.com/6901-1/","reference_id":"USN-6901-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6901-1/"}],"weaknesses":[{"cwe_id":295,"name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate."}],"exploits":[],"severity_range_score":"7.5 - 7.5","exploitability":"0.5","weighted_severity":"6.8","risk_score":3.4,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-pr11-wppc-ubem"}