CVE-2024-21683
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 88.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 88.27% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- atlassian/confluence data center · atlassian/confluence server · atlassian/fisheye · atlassian/crucible · atlassian/jira data center · atlassian/jira server · atlassian/jira service management
- Source
- security@atlassian.com
EPSS 88.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.