Vulnerability · Published Apr 5, 2023 · Assigned by HashiCorp

CVE-2023-1782Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation

Critical 10.0

In plain English

A critical-severity missing authorization in Nomad from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.8%top 44.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/hashicorp/nomad1.5.3GHSA-f8r8-h93m-mj77
Gogithub.com/hashicorp/nomad1.5.3GO-2023-1707

Affected products (as reported)

VendorProductVersions
HashiCorp Nomad 1.5.0 – before 1.5.3
HashiCorp Nomad Enterprise 1.5.0 – before 1.5.3

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References