CVE-2024-21703: atlassian confluence_data_center
Vulnerability summary
CVE-2024-21703 is a medium (CVSS 6.4) vulnerability in atlassian confluence_data_center. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10% of scored vulnerabilities.
Not severe (CVSS 6.4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 27-11-2024PublishedVulnerability first disclosed.
- 27-11-2024Last modifiedVulnerability information updated.
Description
This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations. This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an authenticated attacker of the Windows host to read sensitive information about the Confluence Data Center configuration which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to the 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 greater than or equal to 7.19.18 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.5 * Confluence Data Center and Server 8.7: Upgrade to a release greater than or equal to 8.7.2 * Confluence Data Center and Server 8.8: Upgrade to a release greater than or equal to 8.8.0 See the release notes (https://confluence.atlassian.com/conf88/confluence-release-notes-1354501008.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 reported via our Atlassian Bug Bounty Program by Chris Elliot.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.4MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.20% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- confluence_data_center8.7.1 | < 7.19.18 | ≥ 8.5, < 8.5.5 | ≥ 8.7, < 8.7.2
- confluence_server< 7.19.18 | ≥ 8.0.0, < 8.5.5
1 vendor · 2 products