241 lines
12 KiB
JSON
241 lines
12 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-2023-53257",
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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": "2025-09-15T14:19:21.850Z",
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"datePublished": "2025-09-15T14:46:29.009Z",
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"dateUpdated": "2026-08-05T09:13:19.341Z"
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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": "2026-08-05T09:13:19.341Z"
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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: mac80211: check S1G action frame size\n\nBefore checking the action code, check that it even\nexists in the frame."
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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:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
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"baseScore": 7.1,
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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:A - The bug is in ieee80211_rx_h_action() on the mac80211 Wi‑Fi RX path; an attacker on the same radio/LAN segment injects a truncated S1G action frame (category present, action_code missing). Wi‑Fi frame injection is Adjacent, not Network or Local.\nAC:L - The attacker fully controls frame length and contents and can deterministically send a 25-byte action frame (IEEE80211_MIN_ACTION_SIZE) with WLAN_CATEGORY_S1G; no race or attacker-uncontrollable condition is required.\nPR:N - S1G action frames are non-robust, so MFP does not require encryption; an unauthenticated adjacent peer who is associated (e.g. open AP) or who spoofs an associated STA’s MAC reaches the path with no local account or capability on the victim.\nUI:N - The attacker triggers the path solely by transmitting the crafted management frame; no separate victim action (mount, open, click) is required beyond the interface already receiving Wi‑Fi frames.\nS:U - The out-of-bounds/uninit read and any resulting fault stay inside the host kernel mac80211 authority and do not cross a VM, IOMMU, or sandbox boundary.\nC:L - The defect is a strictly 1-byte out-of-bounds/uninit read of s1g.action_code past skb->len into adjacent/uninitialized skb memory, used only in a switch; that is a small bounded read, not an arbitrary read primitive, so Confidentiality is Low.\nI:N - This is a read-only length-check omission with no OOB write, UAF, or control-flow write primitive; the TWT follow-on path has its own length checks and does not grant an integrity or code-execution primitive.\nA:H - Reading past valid frame data into invalid/unmapped skb memory can oops/panic the kernel (as reflected by the KMSAN finding that motivated the fix), and an adjacent peer can trigger this repeatedly, so Availability is High."
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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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"net/mac80211/rx.c"
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],
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"versions": [
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{
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"version": "f5a4c24e689f54e66201f04d343bdd2e8a1d7923",
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"lessThan": "fedd9377dd9c71a950d432fbe1628eebfbed70a1",
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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": "f5a4c24e689f54e66201f04d343bdd2e8a1d7923",
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"lessThan": "7ae7a1378a119780c8c17a6b5fc03011c3bb7029",
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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": "f5a4c24e689f54e66201f04d343bdd2e8a1d7923",
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"lessThan": "5e030a2509be72b452b6f4a800786d43229414db",
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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": "f5a4c24e689f54e66201f04d343bdd2e8a1d7923",
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"lessThan": "19e4a47ee74718a22e963e8a647c8c3bfe8bb05c",
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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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"net/mac80211/rx.c"
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],
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"versions": [
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{
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"version": "5.15",
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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": "5.15",
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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": "5.15.133",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.55",
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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": "6.5.5",
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"lessThanOrEqual": "6.5.*",
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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": "6.6",
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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": "5.15",
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"versionEndExcluding": "5.15.133"
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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": "5.15",
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"versionEndExcluding": "6.1.55"
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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": "5.15",
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"versionEndExcluding": "6.5.5"
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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": "5.15",
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"versionEndExcluding": "6.6"
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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/fedd9377dd9c71a950d432fbe1628eebfbed70a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ae7a1378a119780c8c17a6b5fc03011c3bb7029"
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},
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{
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"url": "https://git.kernel.org/stable/c/5e030a2509be72b452b6f4a800786d43229414db"
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},
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{
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"url": "https://git.kernel.org/stable/c/19e4a47ee74718a22e963e8a647c8c3bfe8bb05c"
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}
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],
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"title": "wifi: mac80211: check S1G action frame size",
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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-2023-53257",
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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": "2026-01-14T18:02:03.384462Z"
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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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"description": "CWE-noinfo Not enough information"
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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": "2026-01-14T18:02:52.955Z"
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}
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}
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]
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}
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} |