VulnerabilityModified
CVE-2020-26892
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
CRITICAL 9.8EPSS 2.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.08% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- linuxfoundation/nats-server · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/nats-io/nats-server/commits/masterPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/
- https://www.openwall.com/lists/oss-security/2020/11/02/2Mailing List, Third Party Advisory
- https://github.com/nats-io/nats-server/commits/masterPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/
- https://www.openwall.com/lists/oss-security/2020/11/02/2Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.