Risk Letters

Exploited vulnerability

CVE-2023-22527

TLP:CLEAR

Atlassian Confluence Data Center and Server Template Injection Vulnerability

Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.

Facts

  • Vendor: Atlassian
  • Product: Confluence Data Center and Server
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 24 January 2024
  • First known exploitation: 24 January 2024
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 14 February 2024
  • Weakness: CWE-74
  • First seen by Risk Letters: 24 January 2024

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD