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vuln-cve/data/2026/23xxx/CVE-2026-23565.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23565",
"assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
"state": "PUBLISHED",
"assignerShortName": "TV",
"dateReserved": "2026-01-14T13:54:40.322Z",
"datePublished": "2026-01-29T08:44:58.041Z",
"dateUpdated": "2026-01-29T16:52:56.446Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"modules": [
"Content Distribution Service",
"NomadBranch.exe"
],
"platforms": [
"Windows"
],
"product": "DEX",
"vendor": "TeamViewer",
"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
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}
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"credits": [
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"lang": "en",
"type": "finder",
"value": "Threat Hunt Team of Bank of America"
}
],
"descriptions": [
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"lang": "en",
"supportingMedia": [
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"type": "text/html",
"value": "A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to cause the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service."
}
],
"value": "A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to cause the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service."
}
],
"impacts": [
{
"capecId": "CAPEC-130",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-130 Excessive Allocation"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
"shortName": "TV",
"dateUpdated": "2026-01-29T08:44:58.041Z"
},
"references": [
{
"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Update the TeamViewer DEX Client (1E Client) to the latest available version."
}
],
"value": "Update the TeamViewer DEX Client (1E Client) to the latest available version."
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Denial-of-Service in Content Distribution Service",
"x_generator": {
"engine": "Vulnogram 0.5.0"
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},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-01-29T15:56:53.912682Z",
"id": "CVE-2026-23565",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-01-29T16:52:56.446Z"
}
}
]
}
}