Arbitrary file upload in Atlassian Confluence Data Center
CVE-2023-22504
Affected versions of Atlassian Confluence Server allow remote attackers who have read permissions to a page, but not write permissions, to upload attachments via a Broken Access Control vulnerability in the attachments feature.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (53.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Atlassian Confluence Data Center — versions < 1.1.2, >= 1.1.2, >= 7.14.0
- Atlassian Confluence Server — versions < 1.1.2, >= 1.1.2, >= 7.14.0
- Atlassian Confluence Server
Weakness classification (CWE)
References
- jira.atlassian.com/browse/CONFSERVER-83218 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22504?
- CVE-2023-22504 is a medium-severity vulnerability in Atlassian Confluence Data Center, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2023-05-25.
- How severe is CVE-2023-22504?
- Medium severity. CVSS v3 base score is 6.5 out of 10.