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CVE-2026-47842

Estado: AnalizadaMedia (6.5)—

Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18 Spring Security 5.8.0 - 5.8.27 Spring Security 5.7.0 - 5.7.25

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)

Vmware — Spring Security

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-47842",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-47842",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-26T19:31:49.138588Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
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      "source": "security@vmware.com",
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        {
          "vendor": "Spring",
          "product": "Spring Security",
          "versions": [
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              "versionType": "custom"
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  "published": "2026-08-26T20:17:25.753",
  "references": [
    {
      "url": "https://spring.io/security/cve-2026-47842",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@vmware.com"
    }
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  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-326"
        }
      ]
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  ],
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    {
      "lang": "en",
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    }
  ],
  "lastModified": "2026-09-04T19:34:25.730",
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}