CVE-2023-47090
October 30, 2023
NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0.
Affected Packages
github.com/nats-io/nats-server/v2 (GO):
Affected version(s) >=v2.10.0 <v2.10.2Fix Suggestion:
Update to version v2.10.2github.com/nats-io/nats-server/v2 (GO):
Affected version(s) >=v2.2.0 <v2.9.23Fix Suggestion:
Update to version v2.9.23Related Resources (10)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Authentication Bypass by Primary Weakness
EPSS
Base Score:
0.21