CISA KEV entry

CVE-2023-22515Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

Atlassian Confluence Data Center and Server. Added to the CISA Known Exploited Vulnerabilities catalogue on 5 October 2023.

Data status: a source is stale

Last synced CISA catalogue version 2026.11.04 (released 4 November 2026) 1,768 entries Updated manually

Date added
2023-10-05
Federal due date
2023-10-13 8 days after it was added; passed at the sync of 2026-11-05
Known ransomware use
Known
Forensic triage (BOD 26-04)
No
CVSS
9.8 Critical CVSS 3.1, scored by nvd@nist.gov
EPSS
99.22% percentile 99.9, scored 2026-11-04
CISA SSVC
Exploitation active, automatable yes, technical impact total
NVD status
Analyzed published 2023-10-04, 1 days before the KEV listing

BOD 26-04 remediation window

With CISA's SSVC answers for this CVE (automatable: yes, technical impact: total), BOD 26-04 Table 1 gives 3 days and forensic triage on a publicly exposed asset (row 1) and 3 days and forensic triage on an asset that is not publicly exposed (row 9) S06. The catalogue due date, 8 days after the date added, was set before BOD 26-04 took effect on 10 June 2026 S06. The directive binds US federal civilian executive branch agencies only.

What CISA says

Short description

Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

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.

Notes

https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22515

CWE in the catalogue

Not provided by source

NVD details

CWE (NVD)
NVD-CWE-noinfo by nvd@nist.gov, CWE-20 by CISA ADP
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS versions in NVD
V30, V31
Last modified in NVD
2026-06-17T05:35:37.127

Where each value comes from

Source and fetch time of every field on this page
FieldSourceFetched, UTCState
Catalogue fieldsCISA KEV JSON, version 2026.11.042026-11-05 11:38current
NVD published, status, CVSS, CWE, vendor linksNVD CVE API 2.0; CVSS: NVD (nvd@nist.gov)2026-11-03 12:37current at 2026-11-05 11:38
EPSSFIRST EPSS API, scores of 2026-11-042026-11-05 11:38current
CISA SSVCCISA ADP (via NVD), record of 2023-12-092026-11-03 12:37current

This product uses data from the NVD API but is not endorsed or certified by the NVD. CISA does not endorse Sysprobs. Methodology.

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