{
  "id": "CVE-2021-38194",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-08-08T06:15:09.080",
  "lastModified": "2021-08-16T16:58:38.040",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the ark-r1cs-std crate before 0.3.1 for Rust. It does not enforce any constraints in the FieldVar::mul_by_inverse method. Thus, a prover can produce a proof that is unsound but is nonetheless verified."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en la crate ark-r1cs-std versiones anteriores a 0.3.1 para Rust. No aplica ninguna restricci\u00f3n en el m\u00e9todo FieldVar::mul_by_inverse. Por lo tanto, un prover puede producir una prueba que no sea s\u00f3lida pero que, sin embargo, sea comprobada"
    }
  ],
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:arcworks:ark-r1cs-std:*:*:*:*:*:rust:*:*",
              "versionEndExcluding": "0.3.1",
              "matchCriteriaId": "C5C49002-F024-4CD4-8174-A3CB82B5FE70"
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  "references": [
    {
      "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ark-r1cs-std/RUSTSEC-2021-0075.md",
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0075.html",
      "source": "cve@mitre.org",
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}