High
Security advisory
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32574
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:46 UTC · Revision 1
Source evidence
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
osv:CVE-2021-32574
Complete source record
{
"id": "35fe68d63fe395f6342062f460f212e52b679508e6c39ca02c8e1adfb7b75962",
"url": "https://osv.dev/vulnerability/CVE-2021-32574",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32574",
"summary": "HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.",
"evidence": "osv:CVE-2021-32574",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-32574",
"aliases": [
"BIT-consul-2021-32574",
"CVE-2021-32574",
"GHSA-25gf-8qrr-g78r",
"GO-2022-0894"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/hashicorp/consul",
"type": "GIT",
"events": [
{
"introduced": "e8757838a49feeb682c7e6ad6b78694a78b2096b"
},
{
"fixed": "1061f92a96ada572aefa6dbb7fd10e3ce0e8b90d"
},
{
"introduced": "a417fe51040a33039d3282e31c6c6b6f4fd1f886"
},
{
"fixed": "debb13e91861642efe80f19440ab6fecf4b93be8"
},
{
"introduced": "27de64da7095570012e9f8f7aec16aaf66d2a773"
},
{
"fixed": "db839f18ba4796df77601bfe9873756ed340525d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
"range": [
{
"introduced": "1.3.0"
},
{
"fixed": "1.8.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "1.3.0"
},
{
"fixed": "1.8.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
"range": [
{
"introduced": "1.9.0"
},
{
"fixed": "1.9.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "1.9.0"
},
{
"fixed": "1.9.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
"range": [
{
"introduced": "1.10.0"
},
{
"fixed": "1.10.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "1.10.0"
},
{
"fixed": "1.10.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "db839f18ba4796df77601bfe9873756ed340525d"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.10.1"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32574.json"
}
}
],
"modified": "2026-10-20T10:54:41.655090480Z",
"provider": "osv",
"references": [
"https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856",
"https://github.com/hashicorp/consul/releases/tag/v1.10.1",
"https://security.gentoo.org/glsa/202208-09",
"https://www.hashicorp.com/blog/category/consul"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-32574",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385908,
"published_at": "2021-07-17T18:15:07.723+00:00"
}