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CVE-2020-28133

Status: ModifiedCritical (9.8)—

An issue was discovered in SourceCodester Simple Grocery Store Sales And Inventory System 1.0. There was authentication bypass in web login functionality allows an attacker to gain client privileges via SQL injection in sales_inventory/login.php.

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)

Simple Grocery Store Sales AND Inventory Sales Project — Simple Grocery Store Sales AND Inventory System

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-28133",
  "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": "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-17T20:15:11.223",
  "references": [
    {
      "url": "https://www.exploit-db.com/exploits/48879",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.sourcecodester.com/php/14461/simple-grocery-store-sales-and-inventory-system-using-phpmysql-source-code.html",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/48879",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.sourcecodester.com/php/14461/simple-grocery-store-sales-and-inventory-system-using-phpmysql-source-code.html",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in SourceCodester Simple Grocery Store Sales And Inventory System 1.0. There was authentication bypass in web login functionality allows an attacker to gain client privileges via SQL injection in sales_inventory/login.php."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en SourceCodester Simple Grocery Store Sales and Inventory System versión 1.0. Había una omisión de autenticación en la funcionalidad web login que permite a un atacante alcanzar privilegios de cliente por medio de una inyección SQL en el archivo sales_inventory/login.php"
    }
  ],
  "lastModified": "2026-06-17T03:10:08.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:simple_grocery_store_sales_and_inventory_sales_project:simple_grocery_store_sales_and_inventory_system:1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F00F528C-821F-46D9-8FA9-D4E79C419CCA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}