{"id":"GHSA-cpcr-74q9-74gp","summary":"Broken Authentication in Atlassian Connect Spring Boot","details":"Broken Authentication in Atlassian Connect Spring Boot (ACSB) from version 1.1.0 before version 2.1.3. 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 between 1.1.0 - 2.1.2 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.","aliases":["CVE-2021-26074"],"modified":"2023-11-08T04:05:20.046006Z","published":"2021-05-10T15:19:04Z","database_specific":{"nvd_published_at":"2021-04-16T03:15:00Z","cwe_ids":["CWE-287","CWE-863"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2021-04-19T21:31:53Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26074"},{"type":"WEB","url":"https://community.developer.atlassian.com/t/action-required-atlassian-connect-vulnerability-allows-bypass-of-app-qsh-verification-via-context-jwts/47072"},{"type":"WEB","url":"https://confluence.atlassian.com/pages/viewpage.action?pageId=1051986106"}],"affected":[{"package":{"name":"com.atlassian.connect:atlassian-connect-spring-boot-starter","ecosystem":"Maven","purl":"pkg:maven/com.atlassian.connect/atlassian-connect-spring-boot-starter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"fixed":"2.1.3"}]}],"versions":["1.1.0","1.2.0","1.2.1","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.4.0","1.4.2","1.4.3","1.5.0","1.5.1","2.0.0","2.0.0-beta-1","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.1.0","2.1.1","2.1.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/05/GHSA-cpcr-74q9-74gp/GHSA-cpcr-74q9-74gp.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}