CVE-2021-3127

high

Description

NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.

References

https://github.com/advisories/GHSA-9r5x-fjv3-q6h4

https://github.com/advisories/GHSA-62mh-w5cv-p88c

https://github.com/advisories/GHSA-j756-f273-xhp4

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-0850

https://advisories.nats.io/CVE/CVE-2021-3127.txt

Details

Source: Mitre, NVD

Published: 2021-03-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00413