CVE-2021-26077
Published: May 9, 2021
Modified: Feb 12, 2025
Description
Broken Authentication in Atlassian Connect Spring Boot (ACSB) in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Spring Boot app occurs with a server-to-server JWT or a context JWT. Atlassian Connect Spring Boot versions 1.1.0 before 2.1.3 and versions 2.1.4 before 2.1.5 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.
| Vendor | Product | Versions |
|---|---|---|
Atlassian | Atlassian Connect Spring Boot (ACSB) | affected 1.1.0 - < unspecifiedaffected unspecified - < 2.1.3affected 2.1.4 - < unspecifiedaffected unspecified - < 2.1.5 |
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