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CVE-2025-55039 Apache Spark, Apache Spark: RPC encryption defaults to unauthenticated AES-CTR mode, enabling man-in-the-middle ciphertext modification attacks

🗓️ 15 Oct 2025 07:19:25Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2025-55039: Spark prior to 3.4.4, 3.5.2, 4.0.0 uses unauthenticated RPC encryption; switch to authenticated encryption or SSL.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.spark:spark-network-common_2.13",
    "product": "Apache Spark",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "3.5.2",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.spark:spark-network-common_2.12",
    "product": "Apache Spark",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "3.5.2",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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