High
Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-2816
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 21:22 UTC · Revision 1
Source evidence
Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner
core-osv · Original sourcePublished 2 Jun 2023, 22:43 UTC
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.
osv:CVE-2023-2816
Complete source record
{
"id": "5e37bdabf8d716595bc83d4901f1e8edb83210dd9a967aa9a81a2e857bbd3ee3",
"url": "https://osv.dev/vulnerability/CVE-2023-2816",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner",
"summary": "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.",
"evidence": "osv:CVE-2023-2816",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2023-2816",
"aliases": [
"BIT-consul-2023-2816",
"CVE-2023-2816",
"GHSA-rqjq-ww83-wv5c",
"GO-2023-1828"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/hashicorp/consul",
"type": "GIT",
"events": [
{
"introduced": "53f65dc3ef58fa99048927ec6f3aee576f6cd718"
},
{
"fixed": "7ce982ce1846ca14e567a91fa7f088084e736155"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "1.15.0"
},
{
"last_affected": "1.15.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "1.15.1"
},
{
"last_affected": "1.15.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "1.15.2"
},
{
"last_affected": "1.15.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
"range": [
{
"introduced": "1.15.0"
},
{
"fixed": "1.15.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "1.15.0"
},
{
"fixed": "1.15.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"1.15.0",
"1.15.1",
"1.15.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2816.json"
}
}
],
"modified": "2026-10-28T02:30:39.458498317Z",
"provider": "osv",
"references": [
"https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2816.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-2816",
"https://github.com/hashicorp/consul"
],
"provider_metadata": {
"cwe_ids": [
"CWE-266"
],
"cna_assigner": "HashiCorp",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2816.json"
}
},
"related_cves": [
{
"value": "CVE-2023-2816",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 507205,
"published_at": "2023-06-02T22:43:34.553+00:00"
}