Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

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Summary

CVECVE-2023-22515
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-10-04 14:15:00 UTC
Updated2023-10-20 16:15:00 UTC
DescriptionAtlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.

Risk And Classification

EPSS: 0.943260000 probability, percentile 0.999520000 (date 2026-04-22)

CISA KEV: Listed on 2023-10-05; due 2023-10-13; ransomware use Known

Problem Types: NVD-CWE-noinfo

CISA Known Exploited Vulnerability

VendorAtlassian
ProductConfluence Data Center and Server
NameAtlassian Confluence Data Center and Server Broken Access Control Vulnerability
Required ActionApply 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.
Noteshttps://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22515

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Atlassian Confluence Data Center All All All All
Application Atlassian Confluence Server All All All All

References

ReferenceSourceLinkTags
Atlassian Confluence Unauthenticated Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
Loading... MISC jira.atlassian.com
Log in with Atlassian account MISC jira.atlassian.com
CVE-2023-22515 - Privilege Escalation Vulnerability in Confluence Data Center and Server | Atlassian Support | Atlassian Documentation MISC confluence.atlassian.com
FAQ for CVE-2023-22515 | Atlassian Support | Atlassian Documentation MISC confluence.atlassian.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 150725 Atlassian Confluence Server and Data Center Privilege Escalation Vulnerability (CVE-2023-22515)
  • 150745 Atlassian Confluence Server and Data Center Broken Access Control Vulnerability (CVE-2023-22515) (Exploitation Check)
  • 378914 Atlassian Confluence Server and Data Center Privilege Escalation Vulnerability (CONFSERVER-92475)
  • 730931 Atlassian Confluence Server and Data Center Privilege Escalation Vulnerability (CONFSERVER-92475) (Unauthenticated Check)
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