FKIE_CVE-2026-42251

Vulnerability from fkie_nvd - Published: 2026-06-01 15:16 - Updated: 2026-07-22 07:10
Severity
8.7 (High) - 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
Summary
Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update. This issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026 Beside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.
References
cvd@cert.plhttps://cert.pl/posts/2026/06/CVE-2026-1958
cvd@cert.plhttps://kamsoft.pl/ks-somed/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "KSPLUPDFTP.exe"
          ],
          "product": "KS-SOMED",
          "vendor": "KAMSOFT",
          "versions": [
            {
              "lessThanOrEqual": "30.00.00.056",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "modules": [
            "ANEKSKLIENT.EXE"
          ],
          "product": "KS-SOMED",
          "vendor": "KAMSOFT",
          "versions": [
            {
              "lessThanOrEqual": "29.00.02.026",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cvd@cert.pl"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application\u0027s update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and\u00a0ANEKSKLIENT.EXE up to\u00a029.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only."
    },
    {
      "lang": "es",
      "value": "El uso de credenciales codificadas en KS-SOMED permiti\u00f3 a un atacante no autorizado el acceso al servidor FTP que alojaba los paquetes de actualizaci\u00f3n de la aplicaci\u00f3n. El atacante con estas credenciales podr\u00eda cargar un archivo de actualizaci\u00f3n malicioso, el cual luego podr\u00eda haber sido distribuido e instalado en m\u00e1quinas cliente como una actualizaci\u00f3n leg\u00edtima.\n\nEste problema afecta a KS-SOMED con los m\u00f3dulos: KSPLUPDFTP.exe hasta la versi\u00f3n 30.00.00.056 y ANEKSKLIENT.EXE hasta la versi\u00f3n 29.00.02.026\n\nAdem\u00e1s de eliminar las credenciales codificadas del c\u00f3digo y cambiar el proceso de actualizaci\u00f3n, el acceso otorgado por credenciales previamente expuestas se limit\u00f3 a solo lectura."
    }
  ],
  "id": "CVE-2026-42251",
  "lastModified": "2026-07-22T07:10:00.107",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cvd@cert.pl",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-42251",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-01T15:29:10.412992Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-01T15:16:35.060",
  "references": [
    {
      "source": "cvd@cert.pl",
      "url": "https://cert.pl/posts/2026/06/CVE-2026-1958"
    },
    {
      "source": "cvd@cert.pl",
      "url": "https://kamsoft.pl/ks-somed/"
    }
  ],
  "sourceIdentifier": "cvd@cert.pl",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "cvd@cert.pl",
      "type": "Secondary"
    }
  ]
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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