CVE Vulnerability

CVE-2021-36213

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.hashicorp.com/blog/category/consul Product Vendor Advisory
https://github.com/hashicorp/consul/releases/tag/v1.10.1 Release Notes Third Party Advisory
https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855 Vendor Advisory
https://security.gentoo.org/glsa/202208-09 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*
Information

Published : 2021-07-17 06:15

Updated : 2022-09-14 08:58

NVD link : CVE-2021-36213

Mitre link : CVE-2021-36213

Products Affected

Consul

Hashicorp

CWE
NVD-CWE-noinfo