Information disclosure in Atlassian Confluence Data Center
CVE-2023-22503
Affected versions of Atlassian Confluence Server and Data Center allow anonymous remote attackers to view the names of attachments and labels in a private Confluence space. This occurs via an Information Disclosure vulnerability in the macro preview feature. This vulnerability was reported by Rojan Rijal of the Tinder Security Engineering team. The affected versions are before version 7.13.15, from version 7.14.0 before 7.19.7, and from version 7.20.0 before 8.2.0.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Atlassian Confluence Data Center — versions < 7.20.2, >= 7.20.2, >= 7.13.5
- Atlassian Confluence Data Center
- Atlassian Confluence Server — versions < 7.20.2, >= 7.20.2, >= 7.13.5
- Atlassian Confluence Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.atlassian.com/browse/CONFSERVER-82403 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22503?
- CVE-2023-22503 is a medium-severity vulnerability in Atlassian Confluence Data Center, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-05-01.
- How severe is CVE-2023-22503?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-22503 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.