CVE-2023-22527
Confirmed PUBLISHEDA template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
- CVE Published
- Jan 16, 2024
- Exploitation Reported
- Jan 24, 2024
- CVSS
- 9.8 Critical
- EPSS
- 100.0%
Affected Versions
27 version rows · page 2 of 2
| Vendor | Product | Version | Status |
|---|---|---|---|
| Atlassian |
Confluence Server
|
>= 8.5.4 |
Unaffected |
| Atlassian |
Confluence Server
|
>= 8.6.0 |
Unaffected |
CVE References
- confluence.atlassian.com/pages/viewpage.action confluence.atlassian.com · CVE Record https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
- jira.atlassian.com/browse/CONFSERVER-93833 jira.atlassian.com · CVE Record https://jira.atlassian.com/browse/CONFSERVER-93833
- packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injec... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-01-24 00:00 UTC |
| The Shadowserver | 2026-06-01 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-22527.yaml | Apr 25, 2025 |
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/atlassian_confluence_rce_cve_2023_22527.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2024-01-24 00:00:00 UTC · CISA
Used in malware
Recorded 2024-01-24 00:00:00 UTC · CISA
Proof of concept available
Recorded 2024-01-16 08:46:21 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/atlassian_confluence_rce_cve_2023_22527.rb | Apr 28, 2025 |
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-22527.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-02-26 02:34:44 UTC · 40 stars
confluence CVE-2023-22527 漏洞利用工具，支持冰蝎/哥斯拉内存马注入，支持设置 http 代理
github · Created 2024-02-11 16:46:55 UTC · 74 stars
CVE-2023-22527 内存马注入工具
github · Created 2024-01-25 10:52:39 UTC · 5 stars
CVE-2023-22527 - RCE (Remote Code Execution) Vulnerability In Confluence Data Center and Confluence Server PoC
github · Created 2024-01-24 04:44:59 UTC · 4 stars
Exploit for CVE-2023-22527 - Atlassian Confluence Data Center and Server
github · Created 2024-01-23 17:07:15 UTC · 10 stars
An Exploitation tool to exploit the confluence server that are vulnerable to CVE-2023-22527 leads to RCE
github · Created 2024-01-23 10:55:28 UTC · 10 stars
Atlassian Confluence - Remote Code Execution
github · Created 2024-01-23 08:53:46 UTC · 4 stars
Atlassian Confluence - Remote Code Execution (CVE-2023-22527)
github · Created 2024-01-23 08:06:15 UTC · 12 stars
This repository presents a proof-of-concept of CVE-2023-22527
github · Created 2024-01-23 07:10:55 UTC · 19 stars
[Confluence] CVE-2023-22527 realworld poc
github · Created 2024-01-23 02:17:36 UTC · 21 stars
A critical severity Remote Code Execution (RCE) vulnerability (CVE-2023-22527) was discovered in Confluence Server and Data Center.
github · Created 2024-01-22 19:02:59 UTC · 5 stars
github · Created 2024-01-22 11:38:55 UTC · 2 stars
github · Created 2024-01-17 10:21:00 UTC · 1 stars
CVE-2023-22527 - RCE (Remote Code Execution) Vulnerability In Confluence Data Center and Confluence Server PoC
github · Created 2024-01-16 13:50:49 UTC · 3 stars
github · Created 2024-01-16 08:46:21 UTC · 24 stars
CVE-2023-22527 - RCE (Remote Code Execution) Vulnerability In Confluence Data Center and Confluence Server PoC
nuclei · Created Unknown
metasploit · Created Unknown
Metasploit module for CVE-2023-22527
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 2 months ago00:00 UTC · about 2 months ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
00:00 UTC over 2 years ago00:00 UTC · over 2 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
00:00 UTC over 2 years ago00:00 UTC · over 2 years ago
First public exploitation report
Exploit observed in malware
-
08:46 UTC over 2 years ago08:46 UTC · over 2 years ago
Public PoC available
Public proof-of-concept code published
-
05:00 UTC over 2 years ago05:00 UTC · over 2 years ago
CVE published
Vulnerability disclosed publicly
-
00:01 UTC over 3 years ago00:01 UTC · over 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-22527
{
"cve_id": "CVE-2023-22527",
"title": "A template injection vulnerability on older versions of Confluence Data Cente...",
"affected_vendor": "Atlassian",
"affected_product": "Confluence Data Center, Confluence Server",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": 0.99984,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}