CVE-2021-26077 is a Broken Authentication vulnerability in Atlassian Connect Spring Boot (ACSB) versions 1.1.0 before 2.1.3 and 2.1.4 before 2.1.5. It allows attackers to send authenticated re-installation events to an app by exploiting the erroneous acceptance of context JWTs in lifecycle endpoints. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low complexity that can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.1.0, < 2.1.3CPE matchmatch criteria | cpe:2.3:a:atlassian:connect_spring_boot:*:*:*:*:*:*:*:* | ||
>= 2.1.4, < 2.1.5CPE matchmatch criteria | cpe:2.3:a:atlassian:connect_spring_boot:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.