CVE-2023-22518 (GCVE-0-2023-22518)

Vulnerability from cvelistv5 – Published: 2023-10-31 14:30 – Updated: 2025-10-21 23:05
VLAI CISA KEV
Summary
All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability.  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.
Severity
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • Improper Authorization
Assigner
References
Impacted products
Vendor Product Version
Atlassian Confluence Data Center Unaffected: < 1.0.0
Affected: >= 1.0.0
Unaffected: >= 7.19.16
Unaffected: >= 8.3.4
Unaffected: >= 8.4.4
Unaffected: >= 8.5.3
Unaffected: >= 8.6.1
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Atlassian Confluence Server Unaffected: < 1.0.0
Affected: >= 1.0.0
Unaffected: >= 7.19.16
Unaffected: >= 8.3.4
Unaffected: >= 8.4.4
Unaffected: >= 8.5.3
Unaffected: >= 8.6.1
Create a notification for this product.
Credits
-
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: bd02a2d0-e7cc-4f5c-ad6e-065f39d2f053

Vulnerability ID: CVE-2023-22518

Status: Confirmed

Status Updated: 2023-11-07 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-11-07
Asserted: 2023-11-07
Scope
Notes: KEV entry: 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
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-863
Feed CISA Known Exploited Vulnerabilities Catalog
Product Confluence Data Center and Server
Due Date 2023-11-28
Date Added 2023-11-07
Vendorproject Atlassian
Vulnerabilityname Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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    }
  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.