CVE-2021-3127

HIGH

NATS Server 2.0.0-2.2.0 and JWT Library < 2.0.1 - Incorrect Access Control via Import Token Binding Mishandling

Title source: llm
STIX 2.1

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 (1)

Core 1
Core References
Exploit, Vendor Advisory x_refsource_misc
https://advisories.nats.io/CVE/CVE-2021-3127.txt

Scores

CVSS v3 7.5
EPSS 0.0029
EPSS Percentile 52.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-755
Status published
Products (5)
linuxfoundation/nats-server 2.0.0 - 2.2.0
nats/jwt_library < 2.0.1
nats/nats_server 2.0.0 - 2.2.0
nats-io/jwt 0Go
nats-io/jwt 0 - 2.0.1Go
Published Mar 16, 2021
Tracked Since Feb 18, 2026