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CVE-2021-3127

Good to know:

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Date: March 16, 2021

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.

Language: Go

Severity Score

Related Resources (11)

https://github.com/nats-io/jwt/pull/149
https://github.com/nats-io/nats-server/commit/423b79440c80c863de9f4e20548504e6c5d5e403
https://github.com/nats-io/nats-server/security/advisories/GHSA-j756-f273-xhp4
https://advisories.nats.io/CVE/CVE-2021-3127.txt
https://github.com/nats-io/nats-server
https://github.com/nats-io/jwt
https://nvd.nist.gov/vuln/detail/CVE-2021-3127
https://github.com/nats-io/jwt/security/advisories/GHSA-62mh-w5cv-p88c
https://github.com/nats-io/jwt/pull/149/commits/a826c77dc9d2671c961b75ceefdb439c41029866
https://github.com/nats-io/jwt/commit/6c72fdd73e82fa9ebb151d84773baf4e9164c4ab
https://www.mend.io/vulnerability-database/CVE-2021-3127

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Improper Handling of Exceptional Conditions

CWE-755

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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