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CVE-2021-22848

Status: ModifiedCritical (9.8)—

HGiga MailSherlock contains a SQL Injection. Remote attackers can inject SQL syntax and execute SQL commands in a URL parameter of email pages without privilege.

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 (4)

Hgiga — Msr45 Isherlock-antispamHgiga — Msr45 Isherlock-userHgiga — Ssr45 Isherlock-antispamHgiga — Ssr45 Isherlock-user

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-22848",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4.7,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "HGiga",
          "product": "MailSherlock MSR45/SSR45",
          "versions": [
            {
              "status": "affected",
              "version": "iSherlock-user-4.5",
              "lessThan": "120",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "iSherlock-antispam-4.5",
              "lessThan": "133",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-18T05:15:13.430",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-4521-a4fd8-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-4521-a4fd8-1.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-89"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "HGiga MailSherlock contains a SQL Injection. Remote attackers can inject SQL syntax and execute SQL commands in a URL parameter of email pages without privilege."
    },
    {
      "lang": "es",
      "value": "HGiga MailSherlock contiene una inyección SQL. Unos atacantes remotos pueden inyectar sintaxis SQL y ejecutar comandos SQL en un parámetro de URL de páginas de correo electrónico sin privilegios"
    }
  ],
  "lastModified": "2026-06-17T03:37:52.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hgiga:msr45_isherlock-antispam:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E5B5E25-BC65-49E2-9865-9BC9A4DE98F0",
              "versionEndExcluding": "4.5-133"
            },
            {
              "criteria": "cpe:2.3:a:hgiga:msr45_isherlock-user:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F203F7FA-9E30-49AD-956C-5E893B1264A4",
              "versionEndExcluding": "4.5-120"
            },
            {
              "criteria": "cpe:2.3:a:hgiga:ssr45_isherlock-antispam:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DAAA3F24-7821-4F5A-A64E-EEA30B269DD2",
              "versionEndExcluding": "4.5-133"
            },
            {
              "criteria": "cpe:2.3:a:hgiga:ssr45_isherlock-user:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE0FEDEB-2C43-4C45-800A-9323146DC214",
              "versionEndExcluding": "4.5-120"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}