221 lines
11 KiB
JSON
221 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-2023-53340",
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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": "2025-09-16T16:08:59.565Z",
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"datePublished": "2025-09-17T14:56:33.917Z",
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"dateUpdated": "2026-08-05T09:13:36.548Z"
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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": "2026-08-05T09:13:36.548Z"
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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\nnet/mlx5: Collect command failures data only for known commands\n\nDEVX can issue a general command, which is not used by mlx5 driver.\nIn case such command is failed, mlx5 is trying to collect the failure\ndata, However, mlx5 doesn't create a storage for this command, since\nmlx5 doesn't use it. This lead to array-index-out-of-bounds error.\n\nFix it by checking whether the command is known before collecting the\nfailure data."
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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 - Reachable only via local RDMA uverbs/DEVX ioctls on /dev/infiniband/uverbs*; the bug is not triggered by remote network packet processing.\nAC:L - An attacker can reliably issue MLX5_IB_METHOD_DEVX_OTHER with an opcode in [MLX5_CMD_OP_MAX, 0xd00) that firmware rejects, causing cmd_status_log to index past the stats array with no race or luck required.\nPR:L - uverbs devices default to mode 0666 and DEVX ucontext allocation requires no elevated capability, so a normal unprivileged local user with mlx5 RDMA access can trigger it.\nUI:N - Exploitation requires only attacker-controlled DEVX commands; no victim action is needed.\nS:U - Impact is kernel memory corruption / privilege escalation within the same host security authority, not a VM or IOMMU boundary cross.\nC:H - Attacker-controlled OOB writes corrupt adjacent mlx5_core_dev fields (including HCA capability pointers), which per kernel scoring guidance for exploitable memory corruption supports high confidentiality impact.\nI:H - This is an attacker-indexed out-of-bounds write (~493 opcodes past the array into following caps and device state), which can corrupt kernel data and enable control-flow hijacking.\nA:H - OOB access takes spin_lock_irq on non-stats memory and can oops/panic or hang the kernel, matching high availability impact."
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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/ethernet/mellanox/mlx5/core/cmd.c"
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],
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"versions": [
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{
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"version": "34f46ae0d4b38e83cfb26fb6f06b5b5efea47fdc",
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"lessThan": "411e4d6caa7f7169192b8dacc8421ac4fd64a354",
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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": "34f46ae0d4b38e83cfb26fb6f06b5b5efea47fdc",
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"lessThan": "d8b6f175235d7327b4e1b13216859e89496dfbd5",
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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": "34f46ae0d4b38e83cfb26fb6f06b5b5efea47fdc",
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"lessThan": "2a0a935fb64ee8af253b9c6133bb6702fb152ac2",
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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/ethernet/mellanox/mlx5/core/cmd.c"
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],
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"versions": [
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{
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"version": "5.18",
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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": "5.18",
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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": "6.1.31",
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"lessThanOrEqual": "6.1.*",
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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": "6.3.5",
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"lessThanOrEqual": "6.3.*",
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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": "6.4",
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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": "5.18",
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"versionEndExcluding": "6.1.31"
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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": "5.18",
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"versionEndExcluding": "6.3.5"
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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": "5.18",
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"versionEndExcluding": "6.4"
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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/411e4d6caa7f7169192b8dacc8421ac4fd64a354"
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},
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{
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"url": "https://git.kernel.org/stable/c/d8b6f175235d7327b4e1b13216859e89496dfbd5"
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},
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{
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"url": "https://git.kernel.org/stable/c/2a0a935fb64ee8af253b9c6133bb6702fb152ac2"
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}
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],
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"title": "net/mlx5: Collect command failures data only for known commands",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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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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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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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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"id": "CVE-2023-53340",
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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": "2026-01-14T18:38:29.430498Z"
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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-129",
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"description": "CWE-129 Improper Validation of Array Index"
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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": "2026-01-14T18:43:01.728Z"
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}
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}
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]
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}
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} |