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CVE-2017-20203

🗓️ 09 Oct 2025 17:01:08Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 48 Views

NetSarang supply chain backdoor via nssock2.dll; DNS TXT C2 provides key and downloads code for remote access and data exfiltration.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2017-20203
9 Oct 202517:12
circl
CNNVD
NetSarang多款产品 安全漏洞
9 Oct 202500:00
cnnvd
Cvelist
CVE-2017-20203 NetSarang v5.0 Malicious Backdoor Supply Chain Compromise
9 Oct 202517:01
cvelist
EUVD
EUVD-2017-18919
9 Oct 202518:30
euvd
NVD
CVE-2017-20203
9 Oct 202517:15
nvd
Positive Technologies
PT-2025-41412
9 Oct 202500:00
ptsecurity
RedhatCVE
CVE-2017-20203
10 Oct 202520:22
redhatcve
VulnCheck KEV
VulnCheck KEV: CVE-2017-20203
15 Aug 201700:00
vulncheck_kev
Vulnrichment
CVE-2017-20203 NetSarang v5.0 Malicious Backdoor Supply Chain Compromise
9 Oct 202517:01
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "nssock2.dll"
    ],
    "product": "Xmanager Enterprise",
    "vendor": "NetSarang Computer, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "5.0 Build 1232"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "nssock2.dll"
    ],
    "product": "Xmanager",
    "vendor": "NetSarang Computer, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "5.0 Build 1045"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "nssock2.dll"
    ],
    "product": "Xshell",
    "vendor": "NetSarang Computer, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "5.0 Build 1322"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "nssock2.dll"
    ],
    "product": "Xftp",
    "vendor": "NetSarang Computer, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "5.0 Build 1218"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "nssock2.dll"
    ],
    "product": "Xlpd",
    "vendor": "NetSarang Computer, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "5.0 Build 1220"
      }
    ]
  }
]

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