CVE-2023-22504

MEDIUMNVD 6.54.3▼

6.5

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.

CVSS v3: 6.5
EG Score: 4.3(medium)
EPSS: 53.0%
KEV: Not listed

Published

May 25, 2023

Last Modified

November 21, 2024

References (2)

security@atlassianhttps://jira.atlassian.com/browse/CONFSERVER-83218
af854a3a-2127-422b-91ae-364da2661108https://jira.atlassian.com/browse/CONFSERVER-83218

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-22504?

CVE-2023-22504 is a medium vulnerability published on May 25, 2023. 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.

When was CVE-2023-22504 disclosed?

CVE-2023-22504 was first published in the National Vulnerability Database on May 25, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-22504 actively exploited?

CVE-2023-22504 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-22504?

CVE-2023-22504 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.3.

How do I remediate CVE-2023-22504?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22504, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-22504

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-22504?

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Published

Last Modified

References (2)

Frequently asked(5)

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