GSD-2021-37219
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-37219",
"description": "HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.",
"id": "GSD-2021-37219",
"references": [
"https://security.archlinux.org/CVE-2021-37219"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-37219"
],
"details": "HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.",
"id": "GSD-2021-37219",
"modified": "2023-12-13T01:23:10.234099Z",
"schema_version": "1.4.0"
}
},
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},
"affects": {
"vendor": {
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"product": {
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}
]
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"references": {
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"name": "https://www.hashicorp.com/blog/category/consul",
"refsource": "MISC",
"url": "https://www.hashicorp.com/blog/category/consul"
},
{
"name": "https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024",
"refsource": "MISC",
"url": "https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024"
},
{
"name": "GLSA-202207-01",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202207-01"
}
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}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.8.15||\u003e=1.9.0 \u003c1.9.9||\u003e=1.10.0 \u003c1.10.2",
"affected_versions": "All versions before 1.8.15, all versions starting from 1.9.0 before 1.9.9, all versions starting from 1.10.0 before 1.10.2",
"cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-295",
"CWE-937"
],
"date": "2022-09-08",
"description": "HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.",
"fixed_versions": [
"1.8.15",
"1.9.9",
"1.10.2"
],
"identifier": "CVE-2021-37219",
"identifiers": [
"CVE-2021-37219",
"GHSA-ccw8-7688-vqx4"
],
"not_impacted": "",
"package_slug": "go/github.com/hashicorp/consul",
"pubdate": "2021-09-07",
"solution": "Upgrade to versions 1.8.15, 1.9.9, 1.10.2 or above.",
"title": "Improper Certificate Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-37219",
"https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024",
"https://www.hashicorp.com/blog/category/consul",
"https://github.com/advisories/GHSA-ccw8-7688-vqx4"
],
"uuid": "b66d1a2d-eaee-461c-b3d9-2793d2ba1dc1"
},
{
"affected_range": "\u003cv1.8.15 || \u003e=v1.9.0 \u003cv1.9.9 || \u003e=v1.10.0 \u003cv1.10.2",
"affected_versions": "All versions before 1.8.15, all versions starting from 1.9.0 before 1.9.9, all versions starting from 1.10.0 before 1.10.2",
"cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-09-13",
"description": "HashiCorp Consul and Consul Enterprise\u0027s Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation.",
"fixed_versions": [
"v1.8.15",
"v1.9.9",
"v1.10.2"
],
"identifier": "CVE-2021-37219",
"identifiers": [
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],
"not_impacted": "All versions starting from 1.8.15 before 1.9.0, all versions starting from 1.9.9 before 1.10.0, all versions starting from 1.10.2",
"package_slug": "go/github.com/hashicorp/consul/acl",
"pubdate": "2021-09-07",
"solution": "Upgrade to versions 1.8.15, 1.9.9, 1.10.2 or above.",
"title": "Improper Certificate Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-37219",
"https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024",
"https://www.hashicorp.com/blog/category/consul"
],
"uuid": "9a7dbd42-c3b8-4b6a-b8f9-2f5a6398d6b9",
"versions": [
{
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"sha": "0e06cada935d33208c080b6a912cb9683f961dee",
"tags": [
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"timestamp": "20201124190548"
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"number": "v1.9.0"
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"timestamp": "20210622172115"
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"timestamp": "20210827160612"
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"number": "v1.9.9"
},
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"commit": {
"sha": "9eccfe0e6126f40cd84f48e1a267861645f9e21b",
"tags": [
"v1.8.15"
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"timestamp": "20210827162802"
},
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"sha": "8fba564a86d1857c2e91aa0b16939ad2e75aeb62",
"tags": [
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"timestamp": "20210827194405"
},
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}
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]
},
"nvd.nist.gov": {
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"nodes": [
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-09-08T21:48Z",
"publishedDate": "2021-09-07T12:15Z"
}
}
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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