{"id":"CVE-2023-2816","aliases":["BIT-consul-2023-2816","GHSA-rqjq-ww83-wv5c","GO-2023-1828"],"url":"https://o3.security/vulnerability/CVE-2023-2816","summary":"Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner","details":"Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.","published":"2023-06-02T22:43:34.553Z","modified":"2026-08-12T03:51:08.388454658Z","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.15.3"}],"fix":null,"references":[{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2816.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2816"},{"type":"PACKAGE","url":"https://github.com/hashicorp/consul"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:08.388454658Z"}}