HashiCorp Nomad 1.5.2 Unauth ACL Bypass without mTLS
CVE-2023-1782 Published on April 5, 2023

Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation
HashiCorp Nomad and Nomad Enterprise versions 1.5.0 up to 1.5.2 allow unauthenticated users to bypass intended ACL authorizations for clusters where mTLS is not enabled. This issue is fixed in version 1.5.3.

NVD

Vulnerability Analysis

CVE-2023-1782 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2023-1782 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2023-1782

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Affected Versions

HashiCorp Nomad: HashiCorp Nomad Enterprise:

Exploit Probability

EPSS
0.40%
Percentile
60.42%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.