VULNERABILITY INTELLIGENCE
CVE-2019-10099
CVSS score7.5 HIGH
EPSS probability1.30%
CISA KEVNot currently listed
Published2019-08-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
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.
Weakness classification
- CWE-312: Cleartext Storage of Sensitive Information