Vulnerability Report

CVE-2022-40716

Title: Consul SAN URI Bypass

Privilege Escalation

Proof Of Concept

No public PoC currently indexed for CVE-2022-40716.

CWE Category CWE-252
Published Date Sep 23, 2022
Modified Date May 27, 2025
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
0.36%

Vulnerability Summary

CVE-2022-40716: HashiCorp Consul and Consul Enterprise up to 1.11.8, 1.12.4, and 1.13.1 do not check for multiple SAN URI values in a CSR on the internal RPC endpoint, enabling leverage of privileged access to bypass service mesh intentions. Fixed in 1.11.9, 1.12.5, and 1.13.2."

Impacted Vendors

H
hashicorp 1
M
makandra 1

Reference Links

https://discuss.hashicorp.com https://discuss.hashicorp.com/t/hcsec-2022-20-consul-service-mesh-intention-bypass-with-malicious-certificate-signing-request/44628 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI/ https://discuss.hashicorp.com https://discuss.hashicorp.com/t/hcsec-2022-20-consul-service-mesh-intention-bypass-with-malicious-certificate-signing-request/44628 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-40716 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.