{"cve":"CVE-2023-2816","nvd":{"published":"2023-06-02T23:15:09.503","modified":"2026-06-17T05:53:30.540","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-266"],"references":["https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525","https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525"],"products":["hashicorp:consul"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-2816","score":0.00585,"percentile":0.47984,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rqjq-ww83-wv5c","url":"https://osv.dev/vulnerability/GHSA-rqjq-ww83-wv5c","summary":"Hashicorp Consul allows user with service:write permissions to patch remote proxy instances","modified":"2024-08-20T20:58:57.420734Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":[">=1.15.0 <1.15.3"],"fixed":["1.15.3"]}]},{"id":"GO-2023-1828","url":"https://osv.dev/vulnerability/GO-2023-1828","summary":"Hashicorp Consul allows user with service:write permissions to patch remote proxy instances in github.com/hashicorp/consul","modified":"2026-03-03T04:53:48.219284Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":[">=1.15.0 <1.15.3"],"fixed":["1.15.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}