Home/CVE/NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings ar
CVE

CVE-2021-3127

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

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.

HIGH · CVSS 7.5 EPSS 0.0029
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-755Improper Handling of Exceptional Conditions
▤

Affected Products & Versions

2
linuxfoundation nats-server>= 2.0.0 and < 2.2.0
nats jwt library< 2.0.1
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/nats-io/jwt CRITICAL
Go github.com/nats-io/jwt/v2 CRITICAL fixed in 2.0.1
Go github.com/nats-io/nats-server/v2 HIGH fixed in 2.2.0
⚠

Public Exploits & PoCs

1
pocadvisories.nats.io · CVE-2021-3127.txtadvisories.nats.io
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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