235 lines
9.4 KiB
JSON
235 lines
9.4 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-2026-4438",
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"assignerOrgId": "3ff69d7a-14f2-4f67-a097-88dee7810d18",
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"state": "PUBLISHED",
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"assignerShortName": "glibc",
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"dateReserved": "2026-03-19T19:55:44.639Z",
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"datePublished": "2026-03-20T19:59:06.064Z",
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"dateUpdated": "2026-10-15T01:12:10.681Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "3ff69d7a-14f2-4f67-a097-88dee7810d18",
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"shortName": "glibc",
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"dateUpdated": "2026-03-20T19:59:06.064Z"
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},
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"title": "gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames",
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"datePublic": "2026-03-20T22:17:00.000Z",
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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-20",
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"description": "CWE-20 Improper input validation",
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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-142",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-142 DNS Cache Poisoning"
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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": "The GNU C Library",
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"product": "glibc",
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"versions": [
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{
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"status": "affected",
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"version": "2.34",
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"lessThanOrEqual": "2.43",
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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": "Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<div>Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.</div>"
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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://sourceware.org/bugzilla/show_bug.cgi?id=34015"
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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": "Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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}
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},
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"adp": [
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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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"type": "CWE",
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"cweId": "CWE-88",
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"lang": "en",
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"description": "CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.4,
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"attackVector": "ADJACENT_NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
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"integrityImpact": "LOW",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "LOW"
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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": "2026-03-23T15:06:13.636418Z",
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"id": "CVE-2026-4438",
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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": "partial"
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}
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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": "2026-03-23T15:06:16.376Z"
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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": "2026-10-15T01:12:10.681Z"
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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": "V3.1.5",
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"lessThan": "V3.1.6",
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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": "V3.1.5",
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"lessThan": "V3.1.6",
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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": "V3.1.5",
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"lessThan": "V3.1.6",
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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": "V3.1.5",
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"lessThan": "V3.1.6",
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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": "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": "V3.1.5",
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"lessThan": "V3.1.6",
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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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"references": [
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.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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} |