FKIE_CVE-2021-3006

Vulnerability from fkie_nvd - Published: 2021-01-03 06:15 - Updated: 2026-06-17 04:04
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
The breed function in the smart contract implementation for Farm in Seal Finance (Seal), an Ethereum token, lacks access control and thus allows price manipulation, as exploited in the wild in December 2020 and January 2021.
References
cve@mitre.orghttps://blocksecteam.medium.com/security-incident-on-seal-finance-fa79c27a1c3bExploit, Third Party Advisory
cve@mitre.orghttps://etherscan.io/address/0x33c2da7fd5b125e629b3950f3c38d7f721d7b30dThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blocksecteam.medium.com/security-incident-on-seal-finance-fa79c27a1c3bExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://etherscan.io/address/0x33c2da7fd5b125e629b3950f3c38d7f721d7b30dThird Party Advisory
Impacted products
Vendor Product Version
seal_finance_project seal_finance -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:seal_finance_project:seal_finance:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "6FDDD2BB-EC54-4055-A493-54D600FD90B6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The breed function in the smart contract implementation for Farm in Seal Finance (Seal), an Ethereum token, lacks access control and thus allows price manipulation, as exploited in the wild in December 2020 and January 2021."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n breed en la implementaci\u00f3n del contrato inteligente para Farm en Seal Finance (Seal), un token de Ethereum, carece de control de acceso y, por lo tanto, permite la manipulaci\u00f3n de precios, como se explot\u00f3 \"in the wild\" en Diciembre de 2020 y Enero de 2021."
    }
  ],
  "id": "CVE-2021-3006",
  "lastModified": "2026-06-17T04:04:33.150",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-01-03T06:15:12.067",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blocksecteam.medium.com/security-incident-on-seal-finance-fa79c27a1c3b"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://etherscan.io/address/0x33c2da7fd5b125e629b3950f3c38d7f721d7b30d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blocksecteam.medium.com/security-incident-on-seal-finance-fa79c27a1c3b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://etherscan.io/address/0x33c2da7fd5b125e629b3950f3c38d7f721d7b30d"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.