Authentication Bypass in NATS Server by NATS.io
CVE-2023-47090

6.5MEDIUM

Key Information:

Vendor
Linux
Status
Nats-server
Vendor
CVE Published:
30 October 2023

Summary

The NATS server experiences a vulnerability that allows for an authentication bypass in certain configurations. This affects versions prior to 2.9.23 and 2.10.2, where an implicit user account may be misused, enabling unauthorized access. Users may believe their configurations are secure, but the flaw allows for unauthenticated entities to gain access without appropriate checks, starting from version 2.2.0.

References

https://github.com/nats-io/nats-server/security/advisorie...
https://www.openwall.com/lists/oss-security/2023/10/13/2
http://www.openwall.com/lists/oss-security/2023/10/30/1
mailing-list

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.