Improper Access Control Affecting github.com/nats-io/nats-server/server package, versions <2.1.9


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.17% (54th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMNATSIONATSSERVERSERVER-1037607
  • published 6 Nov 2020
  • disclosed 6 Nov 2020
  • credit Unknown

How to fix?

Upgrade github.com/nats-io/nats-server/server to version 2.1.9 or higher.

Overview

github.com/nats-io/nats-server/server is an A simple, secure and performant communications system for digital systems, services and devices.

Affected versions of this package are vulnerable to Improper Access Control. The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled.

CVSS Scores

version 3.1
Expand this section

Snyk

5.4 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

9.8 critical