CVE-2024-21683
HighExploitedPublic exploitThis High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
Published May 22, 2024 · Updated May 12, 2025 · Also known as TR-24-0523
Key Facts
Patch immediately- CVE-2024-21683 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Confluence Data Center (Atlassian), Confluence Server (Atlassian), Crucible (Atlassian) and 4 more products.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 21, 2024. Public exploit code is available.
- EPSS estimates a 88% probability of exploitation in the next 30 days.
- Fixed versions are available, including Confluence Data Center <=7.20.3, Confluence Data Center 7.19.24, Confluence Server <=7.20.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
88%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-21683 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, 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 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. 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.
This vulnerability was found internally.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | May 23, 2024 | n/a | Not reported |
| CIRCL KEV | May 21, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
20 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Confluence Data CenterAtlassian | 8.7.1, 8.7.2, 8.8.0, 8.8.1, >= 8.9.0 | 7.20.3 |
| Confluence ServerAtlassian | 8.7.1, 8.7.2, 8.8.0, 8.8.1 | 7.20.3 |
| CrucibleAtlassian | See advisory | 4.8.15 |
| FisheyeAtlassian | See advisory | 4.8.15 |
| Jira Data CenterAtlassian | See advisory | 9.4.21 |
Patched Releases
Confluence Data Center
<=7.20.3, 7.19.24
Confluence Server
<=7.20.3, 7.19.24
Crucible
4.8.15
Fisheye
4.8.15
Jira Data Center
9.4.21
Jira Server
9.4.21
Jira Service Management
5.4.21
Timeline
Added to CIRCL KEV
May 21, 2024
Publicly disclosed
May 22, 2024
Added to Industry KEV feed
May 23, 2024
Last updated
May 12, 2025
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisoryhttps://confluence.atlassian.com/pages/viewpage.action?pageId=1387867145
- advisoryhttps://confluence.atlassian.com/pages/viewpage.action?pageId=1409286211
- advisoryhttps://jira.atlassian.com/browse/CONFSERVER-95832
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-21683
- advisoryUSOM advisory
FAQ
Common Questions.
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
Affected: Confluence Data Center (Atlassian) versions 8.7.1, 8.7.2, 8.8.0, 8.8.1, >= 8.9.0; Confluence Server (Atlassian) versions 8.7.1, 8.7.2, 8.8.0, 8.8.1; Crucible (Atlassian), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 21, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Confluence Data Center <=7.20.3, Confluence Data Center 7.19.24, Confluence Server <=7.20.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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