205 lines
10 KiB
JSON
205 lines
10 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-2026-46271",
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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": "2026-05-13T15:03:33.109Z",
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"datePublished": "2026-06-03T15:50:13.645Z",
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"dateUpdated": "2026-10-19T19:36:56.613Z"
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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": "2026-08-05T12:30:55.666Z"
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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\nwifi: ath12k: do WoW offloads only on primary link\n\nIn case of multi-link connection, WCN7850 firmware crashes due to WoW\noffloads enabled on both primary and secondary links.\n\nChange to do it only on primary link to fix it.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The vulnerable code runs only in ath12k_wow_op_suspend during system suspend with WoW enabled, reached via wiphy PM → cfg80211 → mac80211 drv_suspend, not via remote WiFi frame handling.\nAC:L - On affected WCN7850 hardware, a local attacker (or rogue MLO AP plus victim suspend) can reliably trigger the path by associating over MLO and invoking suspend while wowlan is configured; no uncontrollable race or rare layout is required.\nPR:L - Exploitation requires local suspend capability (typical session/logind user) and an active WoW configuration (often pre-set by NetworkManager; otherwise NL80211_CMD_SET_WOWLAN needs CAP_NET_ADMIN, obtainable in a user network namespace).\nUI:N - Suspend/WoW entry is commonly driven by automatic system power management without a separate deliberate user security action beyond normal laptop use.\nS:U - Impact is confined to the WiFi driver/firmware stack on the same host; it does not cross VM, container, or IOMMU security boundaries.\nC:H - Although the immediate fault is firmware-side, the failure mode cannot rule out disclosure via corrupted firmware/host DMA or WMI shared buffers; per conservative scoring, treat closed firmware memory faults as potential arbitrary read when impact is uncertain.\nI:H - Duplicate WoW offload WMI on multiple MLO vdevs corrupts firmware state; when exploitation path to host integrity is uncertain, score High because firmware compromise over PCIe may enable control of host-visible rings and descriptors.\nA:H - The commit documents WCN7850 firmware crash when WoW offloads are enabled on both MLO links, causing WiFi subsystem failure and broken or wedged suspend/resume on affected devices."
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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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"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/net/wireless/ath/ath12k/wow.c"
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],
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"versions": [
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{
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"version": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
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"lessThan": "7379837c3f9efa576dc2d716ebfaa3a113b3112f",
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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": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
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"lessThan": "e042da1085d9f1686c58a4378d5840f52a36598e",
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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": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
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"lessThan": "e62102ac9b773bdb08475aa9ca24dea61ae98708",
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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/net/wireless/ath/ath12k/wow.c"
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],
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"versions": [
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{
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"version": "6.16",
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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": "6.16",
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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": "6.18.14",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.4",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.16",
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"versionEndExcluding": "6.18.14"
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},
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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": "6.16",
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"versionEndExcluding": "6.19.4"
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},
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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": "6.16",
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"versionEndExcluding": "7.0"
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}
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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/7379837c3f9efa576dc2d716ebfaa3a113b3112f"
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},
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{
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"url": "https://git.kernel.org/stable/c/e042da1085d9f1686c58a4378d5840f52a36598e"
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},
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{
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"url": "https://git.kernel.org/stable/c/e62102ac9b773bdb08475aa9ca24dea61ae98708"
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}
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],
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"title": "wifi: ath12k: do WoW offloads only on primary link",
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"x_generator": {
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"engine": "bippy-1.2.0"
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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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"id": "CVE-2026-46271",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-10-16T15:21:33.891489Z"
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}
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}
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}
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],
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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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"type": "CWE",
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"cweId": "CWE-667",
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"description": "CWE-667 Improper Locking"
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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": "2026-10-19T19:36:56.613Z"
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}
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}
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]
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}
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} |