294 lines
12 KiB
JSON
294 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-2023-4921",
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"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"state": "PUBLISHED",
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"assignerShortName": "Google",
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"dateReserved": "2023-09-12T19:22:10.389Z",
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"datePublished": "2023-09-12T19:45:19.367Z",
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"dateUpdated": "2026-10-14T21:49:38.794Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"shortName": "Google",
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"dateUpdated": "2024-01-11T19:06:28.103Z"
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},
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"title": "Use-after-free in Linux kernel's net/sched: sch_qfq component",
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"datePublic": "2023-09-05T06:54:12.000Z",
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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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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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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": "Linux",
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"product": "Kernel",
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"packageName": "kernel",
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"repo": "https://git.kernel.org",
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"versions": [
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{
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"status": "affected",
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"version": "3.8",
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"lessThan": "6.6",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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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 use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\n\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8."
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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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8fc134fee27f2263988ae38920bc03da416b03d8",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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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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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.8,
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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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}
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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": "valis",
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"user": "00000000-0000-4000-9000-000000000000",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 0.1.0-dev"
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-02T07:44:52.210Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8fc134fee27f2263988ae38920bc03da416b03d8",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
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"tags": [
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"x_transferred"
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]
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}
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]
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},
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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-2023-4921",
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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": "2024-05-10T04:00:09.695048Z"
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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": "2026-02-25T17:20:09.498Z"
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}
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},
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{
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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-10-14T21:49:38.794Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.0",
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"lessThan": "V3.1.5",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.0",
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"lessThan": "V3.1.5",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.0",
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"lessThan": "V3.1.5",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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},
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
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"versions": [
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{
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"status": "affected",
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"lessThan": "V1.1",
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"versionType": "custom"
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}
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Siemens",
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"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.0",
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"defaultStatus": "unknown"
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}
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],
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"references": [
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-794697.html"
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},
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
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},
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-769027.html"
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}
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]
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}
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]
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}
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} |