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CVE-2021-30170

Status: ModifiedMedium (5.4)—

Special characters of ERP POS customer profile page are not filtered in users’ input, which allow remote authenticated attackers can inject malicious JavaScript and carry out stored XSS (Stored Cross-site scripting) attacks, additionally access and manipulate customer’s information.

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)

Junhetec — Enterprise Resource Planning Point OF Sale System

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-30170",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.6,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "Jun-He Technology Ltd.",
          "product": "ERP POS",
          "versions": [
            {
              "status": "affected",
              "version": "2013.10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-05-07T10:15:08.430",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-4707-9c87e-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-4707-9c87e-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-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Special characters of ERP POS customer profile page are not filtered in users’ input, which allow remote authenticated attackers can inject malicious JavaScript and carry out stored XSS (Stored Cross-site scripting) attacks, additionally access and manipulate customer’s information."
    },
    {
      "lang": "es",
      "value": "Los caracteres especiales de la página de perfil de cliente de ERP POS no se filtran en la entrada de los usuarios, lo que permite a atacantes autenticados remotos poder inyectar JavaScript malicioso y ejecutar ataques de tipo XSS (Cross-site scripting) Almacenado, además de acceder y manipular la información del cliente"
    }
  ],
  "lastModified": "2026-06-17T03:49:47.447",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:junhetec:enterprise_resource_planning_point_of_sale_system:2013.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E635C622-D09C-423B-8800-05848E85C439"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}