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CVE-2021-43360

Status: ModifiedHigh (8.8)—

Sunnet eHRD e-mail delivery task schedule’s serialization function has inadequate input object validation and restriction, which allows a post-authenticated remote attacker with database access privilege, to execute arbitrary code and control the system or interrupt services.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

SUN — Ehrd

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-43360",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "Sunnet",
          "product": "eHRD",
          "versions": [
            {
              "status": "affected",
              "version": "8"
            },
            {
              "status": "affected",
              "version": "9"
            }
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    }
  ],
  "published": "2021-12-01T02:15:07.433",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-5355-6e339-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-5355-6e339-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Sunnet eHRD e-mail delivery task schedule’s serialization function has inadequate input object validation and restriction, which allows a post-authenticated remote attacker with database access privilege, to execute arbitrary code and control the system or interrupt services."
    },
    {
      "lang": "es",
      "value": "La función e-mail delivery task schedule’s serialization de Sunnet eHRD presenta una comprobación y restricción de objetos de entrada inapropiadas, que permite a un atacante remoto no autenticado con privilegios de acceso a la base de datos, ejecutar código arbitrario y controlar el sistema o interrumpir servicios"
    }
  ],
  "lastModified": "2026-06-17T04:10:53.217",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sun:ehrd:8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4B27CBB3-B77F-470D-BA69-7CB2AB163B6B"
            },
            {
              "criteria": "cpe:2.3:a:sun:ehrd:9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FD254F84-F0D2-497F-8DDC-4E1DB6958F80"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}