{"cve":"CVE-2021-38698","nvd":{"published":"2021-09-07T12:15:07.930","modified":"2026-06-17T04:02:36.883","status":"Modified","description":"HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-862"],"references":["https://discuss.hashicorp.com/t/hcsec-2021-24-consul-missing-authorization-check-on-txn-apply-endpoint/29026","https://security.gentoo.org/glsa/202208-09","https://www.hashicorp.com/blog/category/consul","https://discuss.hashicorp.com/t/hcsec-2021-24-consul-missing-authorization-check-on-txn-apply-endpoint/29026","https://security.gentoo.org/glsa/202208-09"],"products":["hashicorp:consul"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-38698","score":0.01423,"percentile":0.72899,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6hw5-6gcx-phmw","url":"https://osv.dev/vulnerability/GHSA-6hw5-6gcx-phmw","summary":"HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic.","modified":"2026-09-10T03:49:08.568208801Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":[">=1.10.1 <1.10.2"],"fixed":["1.10.2"]},{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":[">=1.9.0 <1.9.9"],"fixed":["1.9.9"]},{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":["<1.8.15"],"fixed":["1.8.15"]}]},{"id":"GO-2022-0559","url":"https://osv.dev/vulnerability/GO-2022-0559","summary":"HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. in github.com/hashicorp/consul","modified":"2026-02-04T03:16:50.718507Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","purl":"pkg:golang/github.com/hashicorp/consul","ranges":["<1.8.15",">=1.9.0 <1.9.9",">=1.10.1 <1.10.2"],"fixed":["1.8.15","1.9.9","1.10.2"]}]}],"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."]}