CVE-2023-22515

CRITICAL9.8Publicada el 4 de octubre de 2023

Atlassian 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.

Explotada activamente

  • En el catálogo CISA de vulnerabilidades explotadas desde el 5 oct 2023
  • Las agencias federales de EE. UU. deben corregirla antes del 13 oct 2023 (BOD 22-01)
  • Atacada 1 día antes de que la vulnerabilidad se hiciera pública
  • Confirmada por sensores, no solo por informes
  • Utilizada en campañas de ransomware

Apply 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.

Fuente: CISA KEV · 1 sept 2026 1 sept 2026 31 ago 2026 30 ago 2026 29 ago 2026 28 ago 2026

Puntuación CVSS9.8 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Tipo de debilidad (CWE)CWE-20
Fabricantesatlassian

Productos afectados

FabricantesProdottoVersioni
atlassianconfluence data center< 8.3.3
atlassianconfluence server< 8.3.3

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This product uses the NVD API but is not endorsed or certified by the NVD.

Base de datos CVE