CVE-2025-22166 (GCVE-0-2025-22166)
Vulnerability from cvelistv5 – Published: 2025-10-21 16:00 – Updated: 2025-10-21 16:21
VLAI
EPSS
VEX
Summary
This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.
This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.
Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25
Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7
Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2
See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).
This vulnerability was reported via our Atlassian (Internal) program.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-21 16:21 UTC
CWE
- DoS (Denial of Service)
- CWE-405 - Asymmetric Resource Consumption (Amplification)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Atlassian | Confluence Data Center |
Affected:
9.5.1 to 9.5.4
Affected: 9.4.0 to 9.4.1 Affected: 9.3.1 to 9.3.2 Affected: 9.2.0 to 9.2.6 Affected: 9.1.0 to 9.1.1 Affected: 9.0.1 to 9.0.3 Affected: 8.9.0 to 8.9.8 Affected: 8.8.0 to 8.8.1 Affected: 8.7.1 to 8.7.2 Affected: 8.6.1 to 8.6.2 Affected: 8.5.3 to 8.5.24 Affected: 7.19.16 to 7.19.30 Unaffected: 10.0.2 to 10.0.3 Unaffected: 9.2.7 to 9.2.9 Unaffected: 8.5.25 to 8.5.27 cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.4.1:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.2:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.3:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.4:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.5:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.6:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.13:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.22:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.23:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.24:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-22166",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-21T16:21:21.142041Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-405",
"description": "CWE-405 Asymmetric Resource Consumption (Amplification)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T16:21:27.828Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Confluence Data Center",
"vendor": "Atlassian",
"versions": [
{
"status": "affected",
"version": "9.5.1 to 9.5.4"
},
{
"status": "affected",
"version": "9.4.0 to 9.4.1"
},
{
"status": "affected",
"version": "9.3.1 to 9.3.2"
},
{
"status": "affected",
"version": "9.2.0 to 9.2.6"
},
{
"status": "affected",
"version": "9.1.0 to 9.1.1"
},
{
"status": "affected",
"version": "9.0.1 to 9.0.3"
},
{
"status": "affected",
"version": "8.9.0 to 8.9.8"
},
{
"status": "affected",
"version": "8.8.0 to 8.8.1"
},
{
"status": "affected",
"version": "8.7.1 to 8.7.2"
},
{
"status": "affected",
"version": "8.6.1 to 8.6.2"
},
{
"status": "affected",
"version": "8.5.3 to 8.5.24"
},
{
"status": "affected",
"version": "7.19.16 to 7.19.30"
},
{
"status": "unaffected",
"version": "10.0.2 to 10.0.3"
},
{
"status": "unaffected",
"version": "9.2.7 to 9.2.9"
},
{
"status": "unaffected",
"version": "8.5.25 to 8.5.27"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.4.1",
"versionStartIncluding": "9.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.4.1:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.3.2",
"versionStartIncluding": "9.3.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.2.6",
"versionStartIncluding": "9.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.2:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.3:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.4:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.5:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.6:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.1.1",
"versionStartIncluding": "9.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.0.3",
"versionStartIncluding": "9.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.9.8",
"versionStartIncluding": "8.9.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.8.1",
"versionStartIncluding": "8.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.7.2",
"versionStartIncluding": "8.7.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.6.2",
"versionStartIncluding": "8.6.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.5.24",
"versionStartIncluding": "8.5.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.13:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.22:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.23:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.24:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "7.19.30",
"versionStartIncluding": "7.19.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.7:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.8:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.9:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.25:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.26:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.27:*:*:*:*:*:*:*",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.\r\n\r\nThis DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.\r\n\r\nAtlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25\r\n Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7\r\n Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2\r\n\r\nSee the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).\r\n\r\nThis vulnerability was reported via our Atlassian (Internal) program."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
"version": "4.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "DoS (Denial of Service)",
"lang": "en",
"type": "DoS (Denial of Service)"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T16:00:05.978Z",
"orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"shortName": "atlassian"
},
"references": [
{
"url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034"
},
{
"url": "https://jira.atlassian.com/browse/CONFSERVER-100907"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"assignerShortName": "atlassian",
"cveId": "CVE-2025-22166",
"datePublished": "2025-10-21T16:00:05.978Z",
"dateReserved": "2025-01-01T00:01:27.176Z",
"dateUpdated": "2025-10-21T16:21:27.828Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-22166",
"date": "2026-09-23",
"epss": "0.00507",
"percentile": "0.42349"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "Confluence Data Center",
"vendor": "Atlassian",
"versions": [
{
"status": "affected",
"version": "9.5.1 to 9.5.4"
},
{
"status": "affected",
"version": "9.4.0 to 9.4.1"
},
{
"status": "affected",
"version": "9.3.1 to 9.3.2"
},
{
"status": "affected",
"version": "9.2.0 to 9.2.6"
},
{
"status": "affected",
"version": "9.1.0 to 9.1.1"
},
{
"status": "affected",
"version": "9.0.1 to 9.0.3"
},
{
"status": "affected",
"version": "8.9.0 to 8.9.8"
},
{
"status": "affected",
"version": "8.8.0 to 8.8.1"
},
{
"status": "affected",
"version": "8.7.1 to 8.7.2"
},
{
"status": "affected",
"version": "8.6.1 to 8.6.2"
},
{
"status": "affected",
"version": "8.5.3 to 8.5.24"
},
{
"status": "affected",
"version": "7.19.16 to 7.19.30"
},
{
"status": "unaffected",
"version": "10.0.2 to 10.0.3"
},
{
"status": "unaffected",
"version": "9.2.7 to 9.2.9"
},
{
"status": "unaffected",
"version": "8.5.25 to 8.5.27"
}
]
}
],
"source": "security@atlassian.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6D558D1C-94B1-4F03-B25D-5C9572ACD9D2",
"versionEndExcluding": "8.5.25",
"versionStartIncluding": "8.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CEEEF74E-9B32-4CA0-B892-C5559B44F031",
"versionEndExcluding": "9.2.7",
"versionStartIncluding": "9.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"matchCriteriaId": "46B5C105-6E80-4CE7-9928-8C0C6321E94E",
"versionEndExcluding": "10.0.2",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D8BA896B-97EF-4D11-82F8-BBCADE5DAE45",
"versionEndExcluding": "8.5.25",
"versionStartIncluding": "8.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9CFF1E61-C6D4-4699-AD54-C8C7F4D1282F",
"versionEndExcluding": "9.2.7",
"versionStartIncluding": "9.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "100D4CEB-7E91-4046-82D7-1BBF48EFB7E1",
"versionEndExcluding": "10.0.2",
"versionStartIncluding": "10.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.\r\n\r\nThis DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.\r\n\r\nAtlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25\r\n Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7\r\n Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2\r\n\r\nSee the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).\r\n\r\nThis vulnerability was reported via our Atlassian (Internal) program."
}
],
"id": "CVE-2025-22166",
"lastModified": "2026-06-17T08:45:25.880",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "security@atlassian.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-22166",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-21T16:21:21.142041Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-10-21T16:15:37.370",
"references": [
{
"source": "security@atlassian.com",
"tags": [
"Vendor Advisory"
],
"url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034"
},
{
"source": "security@atlassian.com",
"tags": [
"Vendor Advisory"
],
"url": "https://jira.atlassian.com/browse/CONFSERVER-100907"
}
],
"sourceIdentifier": "security@atlassian.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-405"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-10-22T16:18:25+00:00",
"cve": "CVE-2025-22166",
"id": "CVE-2025-22166",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2025-22166",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-22166.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-22166",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-21T16:21:21.142041Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-405",
"description": "CWE-405 Asymmetric Resource Consumption (Amplification)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T16:20:52.235Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Confluence Data Center",
"vendor": "Atlassian",
"versions": [
{
"status": "affected",
"version": "9.5.1 to 9.5.4"
},
{
"status": "affected",
"version": "9.4.0 to 9.4.1"
},
{
"status": "affected",
"version": "9.3.1 to 9.3.2"
},
{
"status": "affected",
"version": "9.2.0 to 9.2.6"
},
{
"status": "affected",
"version": "9.1.0 to 9.1.1"
},
{
"status": "affected",
"version": "9.0.1 to 9.0.3"
},
{
"status": "affected",
"version": "8.9.0 to 8.9.8"
},
{
"status": "affected",
"version": "8.8.0 to 8.8.1"
},
{
"status": "affected",
"version": "8.7.1 to 8.7.2"
},
{
"status": "affected",
"version": "8.6.1 to 8.6.2"
},
{
"status": "affected",
"version": "8.5.3 to 8.5.24"
},
{
"status": "affected",
"version": "7.19.16 to 7.19.30"
},
{
"status": "unaffected",
"version": "10.0.2 to 10.0.3"
},
{
"status": "unaffected",
"version": "9.2.7 to 9.2.9"
},
{
"status": "unaffected",
"version": "8.5.25 to 8.5.27"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.4.1",
"versionStartIncluding": "9.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.4.1:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.3.2",
"versionStartIncluding": "9.3.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.2.6",
"versionStartIncluding": "9.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.2:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.3:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.4:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.5:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.6:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.1.1",
"versionStartIncluding": "9.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.0.3",
"versionStartIncluding": "9.0.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.9.8",
"versionStartIncluding": "8.9.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.8.1",
"versionStartIncluding": "8.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.7.2",
"versionStartIncluding": "8.7.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.6.2",
"versionStartIncluding": "8.6.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.5.24",
"versionStartIncluding": "8.5.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.13:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.22:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.23:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.24:*:*:*:*:*:*:*",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
"versionEndIncluding": "7.19.30",
"versionStartIncluding": "7.19.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.7:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.8:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:9.2.9:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.25:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.26:*:*:*:*:*:*:*",
"vulnerable": false
},
{
"criteria": "cpe:2.3:a:atlassian:confluence_data_center:8.5.27:*:*:*:*:*:*:*",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.\r\n\r\nThis DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.\r\n\r\nAtlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25\r\n Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7\r\n Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2\r\n\r\nSee the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).\r\n\r\nThis vulnerability was reported via our Atlassian (Internal) program."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
"version": "4.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "DoS (Denial of Service)",
"lang": "en",
"type": "DoS (Denial of Service)"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T16:00:05.978Z",
"orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"shortName": "atlassian"
},
"references": [
{
"url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034"
},
{
"url": "https://jira.atlassian.com/browse/CONFSERVER-100907"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"assignerShortName": "atlassian",
"cveId": "CVE-2025-22166",
"datePublished": "2025-10-21T16:00:05.978Z",
"dateReserved": "2025-01-01T00:01:27.176Z",
"dateUpdated": "2025-10-21T16:21:27.828Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…