What is CVE-2023-22516?

CVE-2023-22516 is a high-severity vulnerability in Atlassian Bamboo. CVSS score: 8.8/10. Published 2023-11-21.

How severe is CVE-2023-22516?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Atlassian Bamboo

CVE-2023-22516

This High severity RCE (Remote Code Execution) vulnerability was introduced in versions 8.1.0, 8.2.0, 9.0.0, 9.1.0, 9.2.0, and 9.3.0 of Bamboo Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Bamboo Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bamboo Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7. JDK 1.8u121+ should be used in case Java 8 used to run Bamboo Data Center and Server. See Bamboo 9.2 Upgrade notes (https://confluence.atlassian.com/bambooreleases/bamboo-9-2-upgrade-notes-1207179212.html) Bamboo Data Center and Server 9.3: Upgrade to a release greater than or equal to 9.3.4 See the release notes ([https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html]). You can download the latest version of Bamboo Data Center and Server from the download center ([https://www.atlassian.com/software/bamboo/download-archives]). This vulnerability was discovered by a private user and reported via our Bug Bounty program

Published 2023-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.3th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Atlassian Bamboo
Atlassian Bamboo Data Center — versions < 8.1.0, >= 8.1.0, >= 8.1.1
Atlassian Bamboo Server — versions < 8.1.0, >= 8.1.0, >= 8.1.1

References

confluence.atlassian.com/pages/viewpage.action (Vendor Advisory)
jira.atlassian.com/browse/BAM-25168 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-22516?: CVE-2023-22516 is a high-severity vulnerability in Atlassian Bamboo. CVSS score: 8.8/10. Published 2023-11-21.
How severe is CVE-2023-22516?: High severity. CVSS v3 base score is 8.8 out of 10.