CVE-2021-36213

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

17/07/2021

Last modified:

14/09/2022

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:hashicorp:consul:::::-:::*	1.9.0 (including)	1.9.8 (excluding)
cpe:2.3:a:hashicorp:consul:::::enterprise:::*	1.9.0 (including)	1.9.8 (excluding)
cpe:2.3:a:hashicorp:consul:::::-:::*	1.10.0 (including)	1.10.1 (excluding)
cpe:2.3:a:hashicorp:consul:::::enterprise:::*	1.10.0 (including)	1.10.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-36213

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools