176 lines
11 KiB
JSON
176 lines
11 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-2026-4937",
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"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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"state": "PUBLISHED",
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"assignerShortName": "ibm",
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"dateReserved": "2026-03-26T20:42:14.402Z",
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"datePublished": "2026-08-19T20:11:01.810Z",
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"dateUpdated": "2026-08-20T15:20:20.047Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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"shortName": "ibm",
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"dateUpdated": "2026-08-19T20:11:01.810Z"
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},
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"title": "Power System Insufficient Entropy",
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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-331",
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"description": "CWE-331 Insufficient Entropy",
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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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"affected": [
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{
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"vendor": "IBM",
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"product": "PowerVM Hypervisor",
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"versions": [
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{
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"status": "affected",
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"version": "FW1110.00",
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"lessThanOrEqual": "FW1110.20",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "FW1060.00",
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"lessThanOrEqual": "FW1060.71",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "FW950.00",
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"lessThanOrEqual": "FW950.H2",
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"versionType": "semver"
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}
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],
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"cpes": [
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"cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*",
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"cpe:2.3:o:ibm:power_systems_firmware:fw1110.20:*:*:*:*:*:*:*",
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"cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*",
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"cpe:2.3:o:ibm:power_systems_firmware:fw1060.71:*:*:*:*:*:*:*",
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"cpe:2.3:o:ibm:power_systems_firmware:fw950.00:*:*:*:*:*:*:*",
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"cpe:2.3:o:ibm:power_systems_firmware:fw950.h2:*:*:*:*:*:*:*"
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]
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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": "IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested.",
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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": "<p>IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could allow a local attacker with administrative privileges to decrypt encrypted data due to certain hypervisor calls utilizing less entropy than requested.</p>"
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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://www.ibm.com/support/pages/node/7283900",
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"tags": [
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"vendor-advisory",
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"patch"
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]
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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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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseSeverity": "MEDIUM",
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"baseScore": 5.3,
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N"
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}
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Fully remediating this CVE requires administrators that have enabled Platform Keystore to take the following actions:\n\n * Reboot any partitions that have Platform Keystore enabled after updating firmware.\n * Regenerate all cryptographic keys that were generated by Platform Keystore on affected firmware versions, as those keys are considered weak.",
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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": "<p>Fully remediating this CVE requires administrators that have enabled Platform Keystore to take the following actions:</p><ul><li>Reboot any partitions that have Platform Keystore enabled after updating firmware.</li><li>Regenerate all cryptographic keys that were generated by Platform Keystore on affected firmware versions, as those keys are considered weak.</li></ul>"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Customers with the products below should install FW1110.30(1110_125), FW1120.00(1120_159), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System E1180 (9080-HEU)\n\n\nCustomers with the products below should install FW1110.30(1110_145), FW1120.00(1120_183), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System S1122 (9824-22A)\n * IBM Power System S1124 (9824-42A)\n * IBM Power System S1122s (9824-22B)\n * IBM Power System S1114 (9824-41B)\n * IBM Power System L1122 (9856-22H)\n * IBM Power System L1124 (9856-42H)\n * IBM Power System E1150 (9043-MRU)\n\n\nCustomers with the products below should install FW1060.72(1060_171) / FW1060.80(1060_180), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System E1080 (9080-HEX)\n\n\nCustomers with the products below should install FW1060.72(1060_177) / FW1060.80(1060_185), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System S1022 (9105-22A)\n * IBM Power System S1024 (9105-42A)\n * IBM Power System S1022s (9105-22B)\n * IBM Power System S1014 (9105-41B)\n * IBM Power System L1022 (9786-22H)\n * IBM Power System L1024 (9786-42H)\n * IBM Power System E1050 (9043-MRX)\n * IBM Power System S1012 (9028-21B)\n\n\nCustomers with the products below should install FW950.H3(950_230) or newer to remediate this vulnerability.\nPower 9\n\n * IBM Power System S922 (9009-22G)\n * IBM Power System H922 (9223-22S)\n * IBM Power System S914 (9009-41G)\n * IBM Power System S924 (9009-42G)\n * IBM Power System H924 (9223-42S)\n * IBM Power System E950 (9040-MR9)\n * IBM Power System E980 (9080-M9S)\n\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/",
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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": "<p>Customers with the products below should install FW1110.30(1110_125), FW1120.00(1120_159), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System E1180 (9080-HEU)</li></ol><p>Customers with the products below should install FW1110.30(1110_145), FW1120.00(1120_183), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System S1122 (9824-22A)</li><li>IBM Power System S1124 (9824-42A)</li><li>IBM Power System S1122s (9824-22B)</li><li>IBM Power System S1114 (9824-41B)</li><li>IBM Power System L1122 (9856-22H)</li><li>IBM Power System L1124 (9856-42H)</li><li>IBM Power System E1150 (9043-MRU)</li></ol><p>Customers with the products below should install FW1060.72(1060_171) / FW1060.80(1060_180), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System E1080 (9080-HEX)</li></ol><p>Customers with the products below should install FW1060.72(1060_177) / FW1060.80(1060_185), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System S1022 (9105-22A)</li><li>IBM Power System S1024 (9105-42A)</li><li>IBM Power System S1022s (9105-22B)</li><li>IBM Power System S1014 (9105-41B)</li><li>IBM Power System L1022 (9786-22H)</li><li>IBM Power System L1024 (9786-42H)</li><li>IBM Power System E1050 (9043-MRX)</li><li>IBM Power System S1012 (9028-21B)</li></ol><p>Customers with the products below should install FW950.H3(950_230) or newer to remediate this vulnerability.<br/>Power 9</p><ol><li>IBM Power System S922 (9009-22G)</li><li>IBM Power System H922 (9223-22S)</li><li>IBM Power System S914 (9009-41G)</li><li>IBM Power System S924 (9009-42G)</li><li>IBM Power System H924 (9223-42S)</li><li>IBM Power System E950 (9040-MR9)</li><li>IBM Power System E980 (9080-M9S)</li></ol><p><em>The images mentioned above can be located at IBM Fix Central : </em><a href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\"><em>https://www.ibm.com/support/fixcentral/</em></a></p>"
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}
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]
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}
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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": "2026-08-20T14:18:54.835231Z",
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"id": "CVE-2026-4937",
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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": "partial"
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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": "2026-08-20T15:20:20.047Z"
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}
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}
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]
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}
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} |