KEV Entry

CVE-2023-22518

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2023-22518

2023-11-07 01:00 CET

Timestamps

2023-11-07

2023-11-07

Scope

Atlassian Confluence Data Center and Server Improper Authorization Vulnerability | Affected: Atlassian / Confluence Data Center and Server | 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-11-28 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22518

References
  • {'id': 'CVE-2023-22518', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-22518'}

17b2dbcd-bcfd-40f0-b660-1925b4d00d8a

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-02 08:09 CEST

2026-10-02 08:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-863"
  ],
  "date_added": "2023-11-07",
  "due_date": "2023-11-28",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "Confluence Data Center and Server",
  "vendorProject": "Atlassian",
  "vulnerabilityName": "Atlassian Confluence Data Center and Server Improper Authorization Vulnerability"
}
 -
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