171 lines
6.8 KiB
JSON
171 lines
6.8 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-2026-6924",
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"assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
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"state": "PUBLISHED",
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"assignerShortName": "Silabs",
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"dateReserved": "2026-04-23T17:11:02.116Z",
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"datePublished": "2026-07-23T21:05:22.113Z",
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"dateUpdated": "2026-07-24T13:40:36.220Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
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"shortName": "Silabs",
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"dateUpdated": "2026-07-23T21:05:22.113Z"
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},
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"title": "Weak entropy initialization in Silicon Labs Matter SiWx917 TinyCrypt path",
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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-336",
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"description": "CWE-336: Same Seed in Pseudo-Random Number Generator (PRNG)",
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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-97",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-97: Cryptanalysis"
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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": "Silicon Labs",
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"product": "Silicon Labs Matter Github",
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"repo": "https://github.com/SiliconLabs/simplicity_sdk",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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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 bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.",
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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": "A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated."
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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://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1",
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"tags": [
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"vendor-advisory",
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"permissions-required"
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]
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},
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{
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"url": "https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3",
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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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"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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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
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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": "Junming C. (@Chapoly1305) and Prof. Qiang Zeng of George Mason University",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.4"
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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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"timestamp": "2026-07-24T13:40:22.863000Z",
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"id": "CVE-2026-6924",
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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": "yes"
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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": "2026-07-24T13:40:36.220Z"
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}
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}
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]
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}
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} |