{"id":"CVE-2023-0845","aliases":["GHSA-wj6x-hcc2-f32j","BIT-consul-2023-0845","GO-2023-1639"],"title":"Consul Server Panic when Ingress and API Gateways Configured with Peering Connections","summary":"Consul Server Panic when Ingress and API Gateways Configured with Peering Connections","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"hashicorp","product":"github.com/hashicorp/consul","ecosystem":"go","affected":["github.com/hashicorp/consul >= 1.14.0, < 1.14.5"],"patched":["github.com/hashicorp/consul 1.14.5"],"published":"2023-03-09","updated":"2026-08-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-wj6x-hcc2-f32j","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0845"},{"url":"https://discuss.hashicorp.com/t/hcsec-2023-06-consul-server-panic-when-ingress-and-api-gateways-configured-with-peering-connections/51197"},{"url":"https://github.com/hashicorp/consul"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI"}],"tags":["osv","go"],"epss":0.01005,"epssPercentile":0.6097,"ingestedAt":"2026-08-07T19:14:17.857Z","slug":"CVE-2023-0845","body":"## Overview\n\nA vulnerability was identified in Consul and Consul Enterprise (“Consul”) an authenticated user with service:write permissions could trigger a workflow that causes Consul server and client agents to crash under certain circumstances. To exploit this vulnerability, an attacker requires access to an ACL token with service:write permissions, and there needs to be at least one running ingress or API gateway that is configured to route traffic to an upstream service.\n\n## Affected packages\n\n- `github.com/hashicorp/consul >= 1.14.0, < 1.14.5`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/hashicorp/consul 1.14.5`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}