CVE-2019-10099

mediumpriority · track · 30OT risk · elevatedEPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.30% (70th) EPSS

CVSS 4.3 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Prior to Spark 2.3.3, in certain situations Spark would write user data to local disk unencrypted, even if spark.io.encryption.enabled=true. This includes cached blocks that are fetched to disk (controlled by spark.maxRemoteBlockSizeFetchToMem); in SparkR, using parallelize; in Pyspark, using broadcast and parallelize; and use of python udfs.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-312USprimaryCWE-312US

affected products (8)

Products and version ranges known to be affected.

Apache Apache Spark≤ 2.3.2 and belowenisa_euvdEU
apache spark1.0.2 → 1.6.3nvdUScpe:2.3:a:apache:spark:*:*:*:*:*:*:*:*
apache spark2.0.0 → 2.0.2nvdUScpe:2.3:a:apache:spark:*:*:*:*:*:*:*:*
apache spark2.1.0 → 2.1.3nvdUScpe:2.3:a:apache:spark:*:*:*:*:*:*:*:*
apache spark2.2.0 → 2.2.2nvdUScpe:2.3:a:apache:spark:*:*:*:*:*:*:*:*
apache spark2.3.0 → 2.3.2nvdUScpe:2.3:a:apache:spark:*:*:*:*:*:*:*:*
Maven org.apache.spark:spark-core_2.11< 2.3.3osvUSpkg:maven/org.apache.spark/spark-core_2.11
PyPI pyspark< 2.3.3osvUSpkg:pypi/pyspark

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-fp5j-3fpf-mhj5Sensitive data written to disk unencrypted in Spark2019-08-08ghsa · osvUS
Prior to Spark 2.3.3, in certain situations Spark would write user data to local disk unencrypted, even if spark.io.encryption.enabled=true. This includes cached blocks that are fetched to disk (controlled by spark.maxRemoteBlockSizeFetchToMem); in SparkR, using parallelize; in Pyspark, using broadcast and parallelize; and use of python udfs.
PYSEC-2019-1142019-08-07vendor · osvUS
Prior to Spark 2.3.3, in certain situations Spark would write user data to local disk unencrypted, even if spark.io.encryption.enabled=true. This includes cached blocks that are fetched to disk (controlled by spark.maxRemoteBlockSizeFetchToMem); in SparkR, using parallelize; in Pyspark, using broadcast and parallelize; and use of python udfs.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2019-08-07modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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