CVE-2025-8866 (GCVE-0-2025-8866)
Vulnerability from cvelistv5 – Published: 2025-08-11 16:25 – Updated: 2025-08-11 17:11
VLAI
EPSS
VEX
Summary
YugabyteDB Anywhere web server does not properly enforce authentication for the /metamaster/universe API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-11 17:09 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| YugabyteDB Inc | YugabyteDB Anywhere |
Unaffected:
2025.*
(custom)
Affected: 2024.* (custom) Affected: 2.20.* (custom) |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-8866",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-11T17:09:08.950482Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-11T17:11:02.446Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "yugaware",
"platforms": [
"Linux",
"MacOS",
"ARM",
"x86"
],
"product": "YugabyteDB Anywhere",
"vendor": "YugabyteDB Inc",
"versions": [
{
"status": "unaffected",
"version": "2025.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2024.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2.20.*",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "YugabyteDB Anywhere web server does not properly enforce authentication for the \u003ccode\u003e/metamaster/universe\u003c/code\u003e API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records."
}
],
"value": "YugabyteDB Anywhere web server does not properly enforce authentication for the /metamaster/universe API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records."
}
],
"impacts": [
{
"capecId": "CAPEC-115",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-115 Authentication Bypass"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "CLEAR",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/U:Clear",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-11T16:25:35.897Z",
"orgId": "d4ae51d3-4db5-465e-bc8a-eb6768324078",
"shortName": "Yugabyte"
},
"references": [
{
"url": "https://docs.yugabyte.com/preview/secure/vulnerability-disclosure-policy/"
}
],
"source": {
"defect": [
"PLAT-16733"
],
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "d4ae51d3-4db5-465e-bc8a-eb6768324078",
"assignerShortName": "Yugabyte",
"cveId": "CVE-2025-8866",
"datePublished": "2025-08-11T16:25:35.897Z",
"dateReserved": "2025-08-11T13:30:57.192Z",
"dateUpdated": "2025-08-11T17:11:02.446Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-8866",
"date": "2026-09-18",
"epss": "0.0023",
"percentile": "0.14094"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"packageName": "yugaware",
"platforms": [
"Linux",
"MacOS",
"ARM",
"x86"
],
"product": "YugabyteDB Anywhere",
"vendor": "YugabyteDB Inc",
"versions": [
{
"status": "unaffected",
"version": "2025.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2024.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2.20.*",
"versionType": "custom"
}
]
}
],
"source": "security@yugabyte.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "YugabyteDB Anywhere web server does not properly enforce authentication for the /metamaster/universe API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records."
},
{
"lang": "es",
"value": "El servidor web YugabyteDB Anywhere no aplica correctamente la autenticaci\u00f3n para el endpoint de la API /metamaster/universe. Un atacante no autenticado podr\u00eda explotar esta vulnerabilidad para obtener informaci\u00f3n de configuraci\u00f3n de red del servidor, incluyendo direcciones IP privadas y p\u00fablicas, y registros DNS."
}
],
"id": "CVE-2025-8866",
"lastModified": "2026-06-17T10:07:48.803",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"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": "CLEAR",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/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:Clear",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "security@yugabyte.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-8866",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-11T17:09:08.950482Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-08-11T17:15:27.557",
"references": [
{
"source": "security@yugabyte.com",
"url": "https://docs.yugabyte.com/preview/secure/vulnerability-disclosure-policy/"
}
],
"sourceIdentifier": "security@yugabyte.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "security@yugabyte.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:13:43+00:00",
"cve": "CVE-2025-8866",
"id": "CVE-2025-8866",
"initial_release_date": "2025-08-11T16:25:35.897000+00:00",
"product_status:known_affected": "2",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "yugabytedb: YugabyteDB authentication bypass",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-8866.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-8866",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-11T17:09:08.950482Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-11T17:09:14.257Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "yugaware",
"platforms": [
"Linux",
"MacOS",
"ARM",
"x86"
],
"product": "YugabyteDB Anywhere",
"vendor": "YugabyteDB Inc",
"versions": [
{
"status": "unaffected",
"version": "2025.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2024.*",
"versionType": "custom"
},
{
"status": "affected",
"version": "2.20.*",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "YugabyteDB Anywhere web server does not properly enforce authentication for the \u003ccode\u003e/metamaster/universe\u003c/code\u003e API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records."
}
],
"value": "YugabyteDB Anywhere web server does not properly enforce authentication for the /metamaster/universe API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records."
}
],
"impacts": [
{
"capecId": "CAPEC-115",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-115 Authentication Bypass"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "CLEAR",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/U:Clear",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-11T16:25:35.897Z",
"orgId": "d4ae51d3-4db5-465e-bc8a-eb6768324078",
"shortName": "Yugabyte"
},
"references": [
{
"url": "https://docs.yugabyte.com/preview/secure/vulnerability-disclosure-policy/"
}
],
"source": {
"defect": [
"PLAT-16733"
],
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "d4ae51d3-4db5-465e-bc8a-eb6768324078",
"assignerShortName": "Yugabyte",
"cveId": "CVE-2025-8866",
"datePublished": "2025-08-11T16:25:35.897Z",
"dateReserved": "2025-08-11T13:30:57.192Z",
"dateUpdated": "2025-08-11T17:11:02.446Z",
"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…
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…