All vulnerabilities
CVE-2023-22518

Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

Atlassian Confluence Data Center and ServerApplications & CMS
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 7 Nov 2023. Known ransomware useCISA KEV
Exploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline28 Nov 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 31 Oct 2023Exploit code publicMetasploit
  2. 31 Oct 2023, 14:30 UTCPublishedCVE List
  3. 7 Nov 2023Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleAtlassian Confluence Unauth JSON setup-restore Improper Authorization leading to RCE (CVE-2023-22518) 31 Oct 2023Metasploit
  • Scanner templateAtlassian Confluence Server - Improper AuthorizationNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker. There is no impact on confidentiality since the attacker cannot exfiltrate any data.

Text from CVE List

Affected versions 14

  • Confluence Data Centerunaffected: < 1.0.0CVE List
  • Confluence Data Centeraffected: >= 1.0.0CVE List
  • Confluence Data Centerunaffected: >= 7.19.16CVE List
  • Confluence Data Centerunaffected: >= 8.3.4CVE List
  • Confluence Data Centerunaffected: >= 8.4.4CVE List
  • Confluence Data Centerunaffected: >= 8.5.3CVE List
  • Confluence Data Centerunaffected: >= 8.6.1CVE List
  • Confluence Serverunaffected: < 1.0.0CVE List
  • Confluence Serveraffected: >= 1.0.0CVE List
  • Confluence Serverunaffected: >= 7.19.16CVE List
  • Confluence Serverunaffected: >= 8.3.4CVE List
  • Confluence Serverunaffected: >= 8.4.4CVE List
  • Confluence Serverunaffected: >= 8.5.3CVE List
  • Confluence Serverunaffected: >= 8.6.1CVE List

References 5