Access Restriction Bypass Affecting com.atlassian.connect:atlassian-connect-spring-boot-core package, versions [1.1.0,2.1.3)[2.1.4,2.1.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-JAVA-COMATLASSIANCONNECT-1310997
  • published17 Jun 2021
  • disclosed16 Jun 2021
  • creditUnknown

Introduced: 16 Jun 2021

CVE-2021-26077  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade com.atlassian.connect:atlassian-connect-spring-boot-core to version 2.1.3, 2.1.5 or higher.

Overview

com.atlassian.connect:atlassian-connect-spring-boot-core is a Java Spring Boot package for building Atlassian Connect apps.

Affected versions of this package are vulnerable to Access Restriction Bypass. It erroneously accept context JWTs in lifecycle endpoints (such as installation) where only server-to-server JWTs should be accepted, permitting an attacker to send authenticated re-installation events to an app.

CVSS Scores

version 3.1