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CVE-2021-45690

Estado: ModificadaCrítica (9.8)—

An issue was discovered in the messagepack-rs crate through 2021-01-26 for Rust. deserialize_binary may read from uninitialized memory locations.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Messagepack-rs Project — Messagepack-rs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-45690",
  "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",
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          "scope": "UNCHANGED",
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          "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",
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          "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"
            }
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  "published": "2021-12-27T00:15:09.243",
  "references": [
    {
      "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/messagepack-rs/RUSTSEC-2021-0092.md",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "tags": [
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      "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/messagepack-rs/RUSTSEC-2021-0092.md",
      "tags": [
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      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0092.html",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the messagepack-rs crate through 2021-01-26 for Rust. deserialize_binary may read from uninitialized memory locations."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en la crate messagepack-rs versiones hasta 26-01-2021 para Rust. La función deserialize_binary puede leer desde ubicaciones de memoria no inicializadas"
    }
  ],
  "lastModified": "2026-06-17T04:13:57.290",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "0.8.1"
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  "sourceIdentifier": "cve@mitre.org"
}