CVE-2023-22515
Atlassian Confluence Data Center and Server: Improper Input Validation
- Act now
- CVSS 9.8 Critical
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedAtlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.
Dates
What is affected
ReportedAtlassian; Confluence Data Center and Server. Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Potential QBot Activity. Level: critical. Status: stable.
Open Sigma metadataAtomic
Abuse Nslookup with DNS Records. Executor: powershell. Elevation: not reported.
Open Atomic metadataNuclei
Atlassian Confluence - Privilege Escalation. Check identifier: CVE-2023-22515.
Open Nuclei metadata
Evidence detail
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