Is CVE-2023-22515 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-22515 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-22515. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-22515 affects Atlassian Confluence Data Center, Confluence Server. KEV Intelligence lists 44 version rows; examples include = 8.0.0, and >= 8.0.1.

Yes. CVE-2023-22515 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2023-22515

Confluence Data Center

Atlassian / Confluence Data Center · affected before 8.0.0

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Severity: CVSS 9.8 · Critical
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 99.2%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-22515 is an unauthenticated vulnerability affecting Atlassian Confluence Data Center, Confluence Server. Atlassian has been made aware of an issue reported by a handful of customers where external attackers...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Atlassian / Confluence Data Center affected before 8.0.0.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Confluence Data Center

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.

Vendor Product Affected Status

Atlassian Confluence Data Center Before 8.0.0 Unaffected

Atlassian Confluence Data Center >= 8.0.0 Affected

Atlassian Confluence Data Center >= 8.0.1 Affected

Atlassian Confluence Data Center >= 8.0.2 Affected

Atlassian Confluence Data Center >= 8.0.3 Affected

Atlassian Confluence Data Center >= 8.1.3 Affected

Atlassian Confluence Data Center >= 8.1.4 Affected

Atlassian Confluence Data Center >= 8.2.0 Affected

Atlassian Confluence Data Center >= 8.2.1 Affected

Atlassian Confluence Data Center >= 8.2.2 Affected

Atlassian Confluence Data Center >= 8.2.3 Affected

Atlassian Confluence Data Center >= 8.3.0 Affected

Atlassian Confluence Data Center >= 8.3.1 Affected

Atlassian Confluence Data Center >= 8.3.2 Affected

Atlassian Confluence Data Center >= 8.4.0 Affected

Atlassian Confluence Data Center >= 8.4.1 Affected

Atlassian Confluence Data Center >= 8.4.2 Affected

Atlassian Confluence Data Center >= 8.5.0 Affected

Atlassian Confluence Data Center >= 8.5.1 Affected

Atlassian Confluence Data Center >= 8.3.3 Unaffected

Atlassian Confluence Data Center >= 8.4.3 Unaffected

Atlassian Confluence Data Center >= 8.5.2 Unaffected

Atlassian Confluence Server Before 8.0.0 Unaffected

Atlassian Confluence Server >= 8.0.0 Affected

Atlassian Confluence Server >= 8.0.1 Affected

Published: 04 Oct 2023
Exploitation Reported: 25 Apr 2025
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-22515
packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenti... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unau...
confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515 confluence.atlassian.com · CVE Record https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515
confluence.atlassian.com/pages/viewpage.action confluence.atlassian.com · CVE Record https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276
jira.atlassian.com/browse/CONFSERVER-92475 jira.atlassian.com · CVE Record https://jira.atlassian.com/browse/CONFSERVER-92475

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 25 Apr 2025

Independent exploitation attestation added to the KEV Intelligence record.

Used in malware

The Shadowserver

Recorded 05 Oct 2023

Malware families have been linked to exploitation of this CVE.

Proof of concept available

GitHub

Recorded 06 Oct 2023

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2023-10-05 00:00 UTC
The Shadowserver	2026-05-31 00:00 UTC
Tenable Blog	2026-06-02 14:20 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Metasploit template detected 28 Apr 2025.

View Metasploit template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/atlassian_confluence_rce_cve_2023_22515.rb	28 Apr 2025
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-22515.yaml	25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

99.2%

Weaknesses

Improper Input Validation CWE-20

Recent mention · Tenable Blog

Inside the customer environment: Where threat actors, vulnerabilities, and exposed assets intersect

Tenable Research has developed a graph-based model linking 600+ threat groups to real-world customer exposures. It reveals which vulnerabilities sit at the intersection of severity, active exploitation, and organizational risk.Key takeawaysThe "patch everything" strategy is...

Read full advisory

All CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 10.0 Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Atlassian Confluence - Privilege Escalation

nuclei · Created Unknown

atlassian_confluence_rce_cve_2023_22515

metasploit · Created Unknown

Metasploit module for CVE-2023-22515

Timeline

From disclosure to observed exploitation

02 Jun 2026
KEV confirmed by Tenable Blog

Exploitation attested by an external source
31 May 2026
KEV confirmed by The Shadowserver

Exploitation attested by an external source
28 Apr 2025
Metasploit module available

Exploit module available
28 Apr 2025
Public PoC available

Public proof-of-concept code published
25 Apr 2025
Nuclei template available

Scanner coverage available
05 Oct 2023
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
05 Oct 2023
First public exploitation report

Exploit observed in malware
04 Oct 2023
CVE published

Vulnerability disclosed publicly
01 Jan 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-22515

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-22515",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.99156,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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CVE-2023-22515

Confluence Data Center

Tags

CVE References

Exploited in the wild

Used in malware

Proof of concept available

Known exploited vulnerability sources

Observed signals

Scanner coverage

Virtual patch status

Scanner Artifacts

Weaknesses

Inside the customer environment: Where threat actors, vulnerabilities, and exposed assets intersect

All CVSS Scores

Potential Proof of Concepts

KEV confirmed by Tenable Blog

KEV confirmed by The Shadowserver

Metasploit module available

Public PoC available

Nuclei template available

Added to CISA KEV

First public exploitation report

CVE published

CVE ID reserved

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