CVE-2021-3127

7.5 HIGH

Published: March 16, 2021 Modified: March 30, 2026

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.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Exploit Vendor Advisory

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Vendor Advisory

2 reference(s) from NVD

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.3%

52th percentile

Exploitation Status

Not in CISA KEV

CWE-755

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