[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-UBUNTU-CVE-2018-16886":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-05T14:55:33.319Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":62,"epss":9,"epss_history":63,"metrics":64,"affected":76},"UBUNTU-CVE-2018-16886","etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.",null,[],[],[],[14],{"_key":15},"CVE-2018-16886",[],[],[],"2019-01-14T19:29:00Z","2025-09-08T16:45:01Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24,30,34,38,42,46,50,54,58],{"url":25,"sources":26,"tags":28},"https://ubuntu.com/security/CVE-2018-16886",[27],"osv_ubuntu",[29],"REPORT",{"url":31,"sources":32,"tags":33},"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886",[27],[29],{"url":35,"sources":36,"tags":37},"https://github.com/etcd-io/etcd/pull/10366",[27],[29],{"url":39,"sources":40,"tags":41},"https://github.com/etcd-io/etcd/commit/bf9d0d8291dc71ecbfb2690612954e1a298154b2",[27],[29],{"url":43,"sources":44,"tags":45},"https://github.com/etcd-io/etcd/commit/a9a9466fb8ba11ad7bb6a44d7446fbd072d59887",[27],[29],{"url":47,"sources":48,"tags":49},"https://github.com/etcd-io/etcd/commit/99704e2a97e8710da942bdc737417fc9c9a2c03f",[27],[29],{"url":51,"sources":52,"tags":53},"https://github.com/etcd-io/etcd/commit/83c051b701d33261eef91a719e4421c81b000ba4",[27],[29],{"url":55,"sources":56,"tags":57},"https://github.com/etcd-io/etcd/pull/10386",[27],[29],{"url":59,"sources":60,"tags":61},"https://www.cve.org/CVERecord?id=CVE-2018-16886",[27],[29],[],[],[65],{"source":27,"cvss_v2_0":9,"cvss_v3_0":66,"cvss_v3_1":71,"cvss_v4_0":9},{"baseScore":67,"baseSeverity":9,"vectorString":68,"impactScore":69,"exploitabilityScore":70},6.8,"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",8.7,4.1,{"baseScore":72,"baseSeverity":9,"vectorString":73,"impactScore":74,"exploitabilityScore":75},8.1,"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",9.8,5.6,[77],{"ecosystem":78,"name":79,"vendor":80,"product":79,"cpe_part":9,"purl_type":81,"purl_namespace":80,"purl_name":79,"source":9,"versions":82},"Ubuntu","etcd","ubuntu","deb",[83],{"version":84,"is_range":85,"range_type":86,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem"]