TI-2021-15909 Aliases CVE-2021-38296 GHSA-9rr6-jpg7-9jg6

Apache Spark Key Negotiation Vulnerability

LOW 37CWE-294Published 2022-03-10 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-294.

Summary

Apache Spark supports end-to-end encryption of RPC connections via "spark.authenticate" and "spark.network.crypto.enabled". In versions 3.1.2 and earlier, it uses a bespoke mutual authentication protocol that allows for full encryption key recovery. After an initial interactive attack, this would allow someone to decrypt plaintext traffic offline. Note that this does not affect security mechanisms controlled by "spark.authenticate.enableSaslEncryption", "spark.io.encryption.enabled", "spark.ssl", "spark.ui.strictTransportSecurity". Update to Apache Spark 3.1.3 or later

Why it matters now

EPSS 0.01845 79th percentileScored 2026-11-07

Fix Fixed org.apache.spark:spark-core (Maven): 3.1.3pyspark (PyPI): 3.1.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apache	Apache Spark	up to and including version 3.1.2 – 3.1.2	—	No fix listed	CNA
—	org.apache.spark:spark-core (Maven)	before 3.1.3	3.1.3	Patch available	GHSA-9rr6-jpg7-9jg6
—	pyspark (PyPI)	before 3.1.3	3.1.3	Patch available	GHSA-9rr6-jpg7-9jg6

Apache Spark VendorApache Affected up to and including version 3.1.2 – 3.1.2 Fixed in — No fix listed CNA
org.apache.spark:spark-core (Maven) Vendor— Affected before 3.1.3 Fixed in 3.1.3 Patch available GHSA-9rr6-jpg7-9jg6
pyspark (PyPI) Vendor— Affected before 3.1.3 Fixed in 3.1.3 Patch available GHSA-9rr6-jpg7-9jg6

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:apache:spark::::::::	before 3.1.3	Vulnerable	Apache
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.2.0:::::::*	8.0.8.2.0	Vulnerable	Oracle
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.3.0:::::::*	8.0.8.3.0	Vulnerable	Oracle

cpe:2.3:a:apache:spark:*:*:*:*:*:*:*:* Versions before 3.1.3 Vulnerable ·Apache
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.2.0:*:*:*:*:*:*:* Versions 8.0.8.2.0 Vulnerable ·Oracle
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.3.0:*:*:*:*:*:*:* Versions 8.0.8.3.0 Vulnerable ·Oracle

Remediation

Fix · GHSA-9rr6-jpg7-9jg6 org.apache.spark:spark-core (Maven) Fixed in 3.1.3 Advisory →
Fix · GHSA-9rr6-jpg7-9jg6 pyspark (PyPI) Fixed in 3.1.3 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-38296
2026-10-03 Alias added: GHSA-9rr6-jpg7-9jg6

References

Patch 1

https://www.oracle.com/security-alerts/cpujul2022.html

Advisory 3

Other 1

https://github.com/pypa/advisory-database/tree/main/vulns/pyspark/PYSEC-2022-186.yaml

TI-2022-14901 Apache Spark shell command injection vulnerability via Spark UI KEVCVSS 3.1HIGH 8.8
TI-2023-15314 Apache Spark: Shell command injection via Spark UI CVSS 3.1HIGH 8.8
TI-2020-07589 Missing authentication in Apache Spark CVSS 3.1CRITICAL 9.8
TI-2020-16549 Uncontrolled resource consumption in Eclipse Jetty CVSS 3.1MEDIUM 5.3
TI-2019-14677 HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be… CVSS 3.1CRITICAL 9.1
TI-2018-08427 Improper authentication in Apache Spark CVSS 3.1MEDIUM 4.2

See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences