Vulnerability Description
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Nats-Server | < 2.1.9 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://github.com/nats-io/nats-server/commits/masterPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.openwall.com/lists/oss-security/2020/11/02/2Mailing ListThird Party Advisory
- https://github.com/nats-io/nats-server/commits/masterPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.openwall.com/lists/oss-security/2020/11/02/2Mailing ListThird Party Advisory
FAQ
What is CVE-2020-26892?
CVE-2020-26892 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
How severe is CVE-2020-26892?
CVE-2020-26892 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-26892?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Nats-Server, Fedoraproject Fedora.