CVE-2023-22515

Published Oct 4, 2023

Last updated 3 months ago

Exploit known CVSS critical 9.8

web application

Server

HTTP

Overview

Description: Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. 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.
Source: security@atlassian.com
NVD status: Analyzed
Products: confluence_data_center, confluence_server

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

CVSS 3.0

Type: Secondary
Base score: 10
Impact score: 6
Exploitability score: 3.9
Vector string: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
Exploit added on: Oct 5, 2023
Exploit action due: Oct 13, 2023
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-20

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "85B2AD9F-CBA6-4559-9AE3-5F76A9EC3B7F",
            "versionEndExcluding": "8.3.3",
            "versionStartIncluding": "8.0.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "38F9918D-6848-4CD6-8096-4FB48C23818B",
            "versionEndExcluding": "8.4.3",
            "versionStartIncluding": "8.4.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "8D646BCF-214F-449D-AEEB-B253E8715394",
            "versionEndExcluding": "8.5.2",
            "versionStartIncluding": "8.5.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "970A3DA7-5114-4696-A93D-C3D5AFF5C6C5",
            "versionEndExcluding": "8.3.3",
            "versionStartIncluding": "8.0.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "A2EB19CD-AE29-4775-91C5-05B01A96AC6C",
            "versionEndExcluding": "8.4.3",
            "versionStartIncluding": "8.4.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "79229BE7-0AA0-4308-8BB2-8FB11E8B9AD7",
            "versionEndExcluding": "8.5.2",
            "versionStartIncluding": "8.5.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.

Overview

Risk scores

CVSS 3.1

CVSS 3.0

Known exploits

Weaknesses

Social media

Configurations

Related CVEs

References