CVE-2019-10099
Prior to Spark 2.3.3, in certain situations Spark would write user data to local disk unencrypted, even if…
- 7.5HighCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 29% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By apache
- 4 months later
· 4 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected 2.3.2 and below
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.spark:spark-core_2.11GHSA-fp5j-3fpf-mhj5 (opens in a new tab)
- PyPIpysparkGHSA-fp5j-3fpf-mhj5 (opens in a new tab)
References
References3
- https://lists.apache.org/thread.html/c2a39c207421797f82823a8aff488dcd332d9544038307bf69a2ba9e%40%3Cuser.spark.apache.org%3E (opens in a new tab)x_refsource_MISCx_transferred
- [spark-issues] 20200318 [jira] [Commented] (SPARK-28626) Spark leaves unencrypted data on local disk, even with encryption turned on (CVE-2019-10099) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-commits] 20200622 [spark-website] branch asf-site updated: CVE-2020-9480 details (#275) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-0110 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fp5j-3fpf-mhj5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-10099)Record last updated .