CVE-2019-3740 (GCVE-0-2019-3740)

Vulnerability from cvelistv5 – Published: 2019-09-18 22:23 – Updated: 2026-10-08 21:14
VLAI
Summary
RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to an Information Exposure Through Timing Discrepancy vulnerabilities during DSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover DSA keys.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 21:11 UTC
CWE
Assigner
dell CNA under the mitre root
CNA scorecard C 70/100 over 442 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Dell RSA BSAFE Crypto-J Affected: prior to 6.2.5
guessed Create a notification for this product.
Date Public
2019-08-15 00:00
Show details on NVD website
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                    "matchCriteriaId": "C93CC705-1F8C-4870-99E6-14BF264C3811",
                    "vulnerable": true
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                    "vulnerable": true
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                    "matchCriteriaId": "4A5BB153-68E0-4DDA-87D1-0D9AB7F0A418",
                    "vulnerable": true
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                  {
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                    "matchCriteriaId": "04BCDC24-4A21-473C-8733-0D9CFB38A752",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to an Information Exposure Through Timing Discrepancy vulnerabilities during DSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover DSA keys."
          },
          {
            "lang": "es",
            "value": "RSA BSAFE Crypto-J versiones anteriores a 6.2.5, son susceptibles a una vulnerabilidad de Exposici\u00f3n de Informaci\u00f3n por medio de vulnerabilidades de Discrepancia de Sincronizaci\u00f3n durante la generaci\u00f3n de claves DSA. Un atacante remoto malicioso podr\u00eda explotar potencialmente esas vulnerabilidades para recuperar claves DSA."
          }
        ],
        "id": "CVE-2019-3740",
        "lastModified": "2026-10-08T22:16:54.987",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "security_alert@emc.com",
              "type": "Secondary"
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2019-3740",
                "options": [
                  {
                    "exploitation": "none"
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                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-08T21:11:39.946036Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2019-09-18T23:15:11.173",
        "references": [
          {
            "source": "security_alert@emc.com",
            "url": "https://www.dell.com/support/security/en-us/details/DOC-106556/DSA-2019-094-RSA-BSAFE\u0026#174%3B-Crypto-J-Multiple-Security-Vulnerabilities"
          },
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            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
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          },
          {
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          },
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        "sourceIdentifier": "security_alert@emc.com",
        "vulnStatus": "Modified",
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          {
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              {
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                "value": "CWE-310"
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            ],
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            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-203"
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          }
        ]
      }
    }
  }
}



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