259 lines
11 KiB
JSON
259 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-2021-47384",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-05-21T14:58:30.812Z",
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"datePublished": "2024-05-21T15:03:44.955Z",
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"dateUpdated": "2026-05-11T13:53:39.015Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:53:39.015Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field\n\nIf driver read tmp value sufficient for\n(tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7))\nfrom device then Null pointer dereference occurs.\n(It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers)\nAlso lm75[] does not serve a purpose anymore after switching to\ndevm_i2c_new_dummy_device() in w83791d_detect_subclients().\n\nThe patch fixes possible NULL pointer dereference by removing lm75[].\n\nFound by Linux Driver Verification project (linuxtesting.org).\n\n[groeck: Dropped unnecessary continuation lines, fixed multi-line alignments]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/hwmon/w83793.c"
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],
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"versions": [
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{
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"version": "cf48d17623281c2b3185030ed23f148bd47e15de",
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"lessThan": "6cb01fe630eaffc5a2c3f7364436caddba286623",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cf48d17623281c2b3185030ed23f148bd47e15de",
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"lessThan": "7c4fd5de39f273626a2b0f3a446d2cc85cd47616",
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"status": "affected",
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},
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{
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"version": "cf48d17623281c2b3185030ed23f148bd47e15de",
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"lessThan": "746011193f44f97f8784edcf8327c587946745fc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cf48d17623281c2b3185030ed23f148bd47e15de",
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"lessThan": "dd4d747ef05addab887dc8ff0d6ab9860bbcd783",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/hwmon/w83793.c"
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],
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"versions": [
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{
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"version": "5.4",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.4",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.151",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.71",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.14.10",
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"lessThanOrEqual": "5.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4",
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"versionEndExcluding": "5.4.151"
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},
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4",
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"versionStartIncluding": "5.4",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4",
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"versionEndExcluding": "5.15"
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}
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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://git.kernel.org/stable/c/6cb01fe630eaffc5a2c3f7364436caddba286623"
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},
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{
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"url": "https://git.kernel.org/stable/c/7c4fd5de39f273626a2b0f3a446d2cc85cd47616"
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},
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{
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"url": "https://git.kernel.org/stable/c/746011193f44f97f8784edcf8327c587946745fc"
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},
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{
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"url": "https://git.kernel.org/stable/c/dd4d747ef05addab887dc8ff0d6ab9860bbcd783"
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}
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],
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"title": "hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field",
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"x_generator": {
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"engine": "bippy-1.2.0"
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"problemTypes": [
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"descriptions": [
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-noinfo Not enough information"
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}
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.3,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "LOW",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "NONE"
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}
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},
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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": "2024-05-21T18:21:42.087450Z",
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"id": "CVE-2021-47384",
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"options": [
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{
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"Exploitation": "none"
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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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"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": "2024-11-06T18:44:47.091Z"
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"dateUpdated": "2024-08-04T05:39:59.383Z"
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"title": "CVE Program Container",
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