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Rewterz Threat Advisory – CVE-2021-26084 – Atlassian Confluence Server and Center Vulnerability Exploited in the Wild

Severity

High

Analysis Summary

CVE-2021-26084

Atlassian Confluence Server and Center code could allow a remote attacker to execute arbitrary code on the system, caused by a webwork OGNL injection flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Code Execution

Indicators Of Compromise

CVE

  • CVE-2021-26084

Affected Vendors

Atlassian

Affected Products

  • Atlassian Confluence Server 6.9.0
  • Atlassian Confluence Server 6.12.0
  • Atlassian Confluence Server 6.7.0
  • Atlassian Confluence Server 6.13.0

Remediation

Refer to Confluence Security Advisory for patch, upgrade or suggested workaround information.

Confluence Security Advisory