CVE-2021-26077: critical vulnerability in Atlassian Connect Spring Boot (ACSB)
Published · Updated
Follow this CVE+ Monitor Atlassian Connect Spring Boot+ Monitor com.atlassian.connect:atlassian-connect-spring-boot
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1epss 1.0%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Affected products
Atlassian · Atlassian Connect Spring Boot (ACSB)Related CVEs — Atlassian Connect Spring Boot (ACSB)
In the same product, most dangerous first.