240 lines
8.9 KiB
JSON
240 lines
8.9 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-2026-18784",
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"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"state": "PUBLISHED",
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"assignerShortName": "VulDB",
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"dateReserved": "2026-08-04T08:29:59.828Z",
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"datePublished": "2026-08-04T16:30:09.771Z",
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"dateUpdated": "2026-08-05T14:55:36.315Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"shortName": "VulDB",
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"dateUpdated": "2026-08-04T16:30:09.771Z"
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},
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"title": "o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow",
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-122",
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"lang": "en",
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"description": "Heap-based Buffer Overflow"
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}
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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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"type": "CWE",
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"cweId": "CWE-119",
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"lang": "en",
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"description": "Memory Corruption"
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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": "o6",
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"product": "open62541",
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"versions": [
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{
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"version": "1.5.0",
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"status": "affected"
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},
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{
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"version": "1.5.1",
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"status": "affected"
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},
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{
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"version": "1.5.2",
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"status": "affected"
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},
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{
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"version": "1.5.3",
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"status": "affected"
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},
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{
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"version": "1.5.4",
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"status": "affected"
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},
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{
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"version": "1.5.5",
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"status": "affected"
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}
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],
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"cpes": [
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"cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*"
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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": "A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability."
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"version": "4.0",
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"baseScore": 4.8,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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"baseSeverity": "MEDIUM"
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}
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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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"baseScore": 5.3,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"cvssV3_0": {
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"version": "3.0",
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{
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}
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}
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],
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"timeline": [
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{
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"time": "2026-08-04T00:00:00.000Z",
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"lang": "en",
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"value": "Advisory disclosed"
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},
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{
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"time": "2026-08-04T02:00:00.000Z",
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"lang": "en",
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"value": "VulDB entry created"
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},
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{
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"time": "2026-08-04T10:47:54.000Z",
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"lang": "en",
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"value": "VulDB entry last update"
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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": "Chuan Wei",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "VULL (VulDB User)",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "SCU_1CP (VulDB User)",
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"type": "analyst"
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},
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{
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"lang": "en",
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"value": "VulDB CNA Team",
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"type": "coordinator"
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}
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],
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"references": [
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{
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"url": "https://vuldb.com/vuln/385786",
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"name": "VDB-385786 | o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow",
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"tags": [
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"vdb-entry",
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"technical-description"
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]
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},
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{
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"url": "https://vuldb.com/vuln/385786/cti",
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"name": "VDB-385786 | CTI Indicators (IOB, IOC, IOA)",
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"tags": [
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"signature",
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"permissions-required"
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]
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},
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{
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"url": "https://vuldb.com/cve/CVE-2026-18784",
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"name": "CVE-2026-18784 | CVE Analysis and Report",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://vuldb.com/submit/857012",
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"name": "Submit #857012 | open62541 Project open62541 master (commit ca356b088ada7dee824d1b4acd07c1ff07ce242b) Heap-based Buffer Overflow (Out-of-Bounds Read)",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://github.com/open62541/open62541/issues/8139",
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"tags": [
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/gff-cw/information/issues/11",
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"tags": [
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"exploit",
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"issue-tracking"
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]
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}
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],
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"x_generator": [
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"VulDB PVTS v202608"
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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": "2026-08-05T14:55:21.806045Z",
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"id": "CVE-2026-18784",
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"options": [
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{
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"Exploitation": "poc"
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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": "2026-08-05T14:55:36.315Z"
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}
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}
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]
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}
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} |