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CVE-2021-29792

Status: ModifiedHigh (7.2)—

IBM Event Streams 10.0, 10.1, 10.2, and 10.3 could allow a user the CA private key to create their own certificates and deploy them in the cluster and gain privileges of another user. IBM X-Force ID: 203450.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

IBM — Event Streams

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-29792",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 1.2
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.2
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  },
  "affected": [
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      "source": "psirt@us.ibm.com",
      "affectedData": [
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          "vendor": "IBM",
          "product": "Event Streams",
          "versions": [
            {
              "status": "affected",
              "version": "10.0"
            },
            {
              "status": "affected",
              "version": "10.1"
            },
            {
              "status": "affected",
              "version": "10.2"
            },
            {
              "status": "affected",
              "version": "10.3"
            }
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      ]
    }
  ],
  "published": "2021-07-12T16:15:09.113",
  "references": [
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/203450",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6469451",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/203450",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6469451",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Event Streams 10.0, 10.1, 10.2, and 10.3 could allow a user the CA private key to create their own certificates and deploy them in the cluster and gain privileges of another user. IBM X-Force ID: 203450."
    },
    {
      "lang": "es",
      "value": "IBM Event Streams versiones 10.0, 10.1, 10.2 y 10.3, podría permitir a un usuario la clave privada de la CA para crear sus propios certificados e implementarlos en el clúster y alcanzar los privilegios de otro usuario. IBM X-Force ID: 203450"
    }
  ],
  "lastModified": "2026-06-17T03:48:18.057",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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              "vulnerable": true,
              "matchCriteriaId": "815E3353-8DD1-4D86-80AB-C9B75B050DB4"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}