163 lines
6.6 KiB
JSON
163 lines
6.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-27462",
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"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"state": "PUBLISHED",
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"assignerShortName": "XEN",
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"dateReserved": "2025-02-26T09:16:54.461Z",
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"datePublished": "2026-07-09T14:27:03.467Z",
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"dateUpdated": "2026-07-09T16:06:58.873Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"shortName": "XEN",
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"dateUpdated": "2026-07-09T14:27:03.467Z"
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},
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"title": "WinPVDrivers: Excessive permissions on user-exposed devices",
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"datePublic": "2025-05-27T12:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-276",
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"description": "CWE-276 Incorrect default permissions",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Xen",
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"product": "Windows PV drivers",
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"platforms": [
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"Windows"
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],
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"versions": [
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{
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"status": "affected",
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"version": "all"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]\n\n\nThe Windows PV drivers expose various facilities to userspace. Several\nof these have no security descriptor, and are therefore fully accessible\nto unprivileged users. These are:\n\n 1. XenCons, CVE-2025-27462\n 2. XenIface, CVE-2025-27463\n 3. XenBus, CVE-2025-27464",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]<br><pre>The Windows PV drivers expose various facilities to userspace. Several\nof these have no security descriptor, and are therefore fully accessible\nto unprivileged users. These are:\n\n 1. XenCons, CVE-2025-27462\n 2. XenIface, CVE-2025-27463\n 3. XenBus, CVE-2025-27464</pre>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://xenbits.xen.org/xsa/advisory-468.html"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.4,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "This issue was discovered by Tu Dinh of Vates",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.2"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-09T16:06:53.503103Z",
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"id": "CVE-2025-27462",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-07-09T16:06:58.873Z"
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}
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}
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]
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}
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} |