Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-01-24. Ransomware campaign use: Known.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-02-14. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Atlassian / Confluence Data Center
Default status: Not specified
- unaffected: < 8.0.0
- affected: >= 8.0.0
- affected: >= 8.1.0
- affected: >= 8.2.0
- affected: >= 8.3.0
- affected: >= 8.4.0
- affected: >= 8.5.0
- affected: >= 8.5.1
- affected: >= 8.5.2
- affected: >= 8.5.3
- unaffected: >= 8.5.4
- unaffected: >= 8.6.0
- unaffected: >= 8.7.1
Atlassian / Confluence Server
Default status: Not specified
- unaffected: < 8.0.0
- affected: >= 8.0.0
- affected: >= 8.1.0
- affected: >= 8.2.0
- affected: >= 8.3.0
- affected: >= 8.4.0
- affected: >= 8.5.0
- affected: >= 8.5.1
- affected: >= 8.5.2
- affected: >= 8.5.3
- unaffected: >= 8.5.4
- unaffected: >= 8.6.0
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
- https://jira.atlassian.com/browse/CONFSERVER-93833
- http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527
- https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.99984,
"percentile": 0.99982
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99984,
"percentile": 0.99982
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99984,
"percentile": 0.99982
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99984,
"percentile": 0.99982
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99984,
"percentile": 0.99982
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99984,
"percentile": 0.99982
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99984,
"percentile": 0.99982
}05 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:atlassian:confluence_data_center:8.0.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "confluence_data_center",
"vendor": "atlassian",
"versions": [
{
"lessThan": "8.5.4",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:atlassian:confluence_server:8.0.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "confluence_server",
"vendor": "atlassian",
"versions": [
{
"lessThan": "8.5.4",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-22527",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-14T05:00:58.661097Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-01-24",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:05:28.527Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-01-24T00:00:00.000Z",
"value": "CVE-2023-22527 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-19T07:47:54.708Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615"
},
{
"tags": [
"x_transferred"
],
"url": "https://jira.atlassian.com/browse/CONFSERVER-93833"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html"
},
{
"url": "https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Confluence Data Center",
"vendor": "Atlassian",
"versions": [
{
"status": "unaffected",
"version": "< 8.0.0"
},
{
"status": "affected",
"version": ">= 8.0.0"
},
{
"status": "affected",
"version": ">= 8.1.0"
},
{
"status": "affected",
"version": ">= 8.2.0"
},
{
"status": "affected",
"version": ">= 8.3.0"
},
{
"status": "affected",
"version": ">= 8.4.0"
},
{
"status": "affected",
"version": ">= 8.5.0"
},
{
"status": "affected",
"version": ">= 8.5.1"
},
{
"status": "affected",
"version": ">= 8.5.2"
},
{
"status": "affected",
"version": ">= 8.5.3"
},
{
"status": "unaffected",
"version": ">= 8.5.4"
},
{
"status": "unaffected",
"version": ">= 8.6.0"
},
{
"status": "unaffected",
"version": ">= 8.7.1"
}
]
},
{
"product": "Confluence Server",
"vendor": "Atlassian",
"versions": [
{
"status": "unaffected",
"version": "< 8.0.0"
},
{
"status": "affected",
"version": ">= 8.0.0"
},
{
"status": "affected",
"version": ">= 8.1.0"
},
{
"status": "affected",
"version": ">= 8.2.0"
},
{
"status": "affected",
"version": ">= 8.3.0"
},
{
"status": "affected",
"version": ">= 8.4.0"
},
{
"status": "affected",
"version": ">= 8.5.0"
},
{
"status": "affected",
"version": ">= 8.5.1"
},
{
"status": "affected",
"version": ">= 8.5.2"
},
{
"status": "affected",
"version": ">= 8.5.3"
},
{
"status": "unaffected",
"version": ">= 8.5.4"
},
{
"status": "unaffected",
"version": ">= 8.6.0"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Petrus Viet"
}
],
"descriptions": [
{
"lang": "en",
"value": "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.\n\nMost 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."
}
],
"metrics": [
{
"cvssV3_0": {
"baseScore": 10,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "RCE (Remote Code Execution)",
"lang": "en",
"type": "RCE (Remote Code Execution)"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-26T17:06:21.681Z",
"orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"shortName": "atlassian"
},
"references": [
{
"url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615"
},
{
"url": "https://jira.atlassian.com/browse/CONFSERVER-93833"
},
{
"url": "http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"assignerShortName": "atlassian",
"cveId": "CVE-2023-22527",
"datePublished": "2024-01-16T05:00:00.692Z",
"dateReserved": "2023-01-01T00:01:22.333Z",
"dateUpdated": "2025-10-21T23:05:28.527Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99984,
"percentile": 0.99982
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99984,
"percentile": 0.99982
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99984,
"percentile": 0.99982
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2023-22527",
"cwes": [
"CWE-74"
],
"dateAdded": "2024-01-24",
"dueDate": "2024-02-14",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22527",
"product": "Confluence Data Center and Server",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.",
"vendorProject": "Atlassian",
"vulnerabilityName": "Atlassian Confluence Data Center and Server Template Injection Vulnerability"
}