Access Control Vulnerability in NATS nats-server by NATS.IO
CVE-2020-26892

9.8CRITICAL

Key Information:

Vendor

Linux
Status
Nats-server
Vendor
CVE Published:
6 November 2020

What is CVE-2020-26892?

The JWT library present in NATS nats-server versions prior to 2.1.9 exhibits a significant access control issue stemming from improper handling of expired credentials. This can potentially allow unauthorized access, jeopardizing the security and integrity of applications that depend on NATS messaging systems.

References

https://github.com/nats-io/nats-server/commits/master
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2020/11/02/2
x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.