This High severity Remote Code Execution (RCE) vulnerability was introduced in version 2.1.0 of Confluence Data Center and Server. Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.3 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H allows an unauthenticated attacker to remotely expose assets in your environment susceptible to exploitation which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Confluence 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: * Confluence Data Center and Server 7.19: Upgrade to a release 7.19.18, or any higher 7.19.x release * Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release * Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html ). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives).
Conclusion & alert: CVE-2024-21672 is rated High Risk (70.1/100): CVSS High severity, with high exploitation likelihood (EPSS 7.18%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.90% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-02 | 4.27% | 7.18% | +2.90% |
| 2 | 2025-11-21 | 2.00% | 4.27% | +2.27% |
| 3 | 2025-11-18 | — | 2.00% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.3 | 3.0 | HIGH |
|
1.6 | 6.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| atlassian | confluence_data_center | >= 7.19.0, < 7.19.18 | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* |
| atlassian | confluence_data_center | >= 8.5.0, < 8.5.5 | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* |
| atlassian | confluence_data_center | >= 8.7.0, < 8.7.2 | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* |
| atlassian | confluence_server | >= 7.19, < 7.19.18 | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
| atlassian | confluence_server | >= 8.5.0, < 8.5.5 | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
| atlassian | confluence_server | >= 8.7.0, <= 8.7.2 | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jira.atlassian.com/browse/CONFSERVER-94064 | Permissions Required |
| https://confluence.atlassian.com/security/security-bulletin-january-16-2024-1333335615.html | Vendor Advisory |