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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

Published: Oct 15, 2025Updated: Nov 4, 2025 Sources: CVE List NVD GHSACWE-326
6.5MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 87.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Apache Spark has Inadequate Encryption Strength

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-326CWE-347

Affected Products

Maven
package-ecosystem
org.apache.spark:spark-network-common_2.13
OSS Libraries
org.apache.spark:spark-network-common_2.12
OSS Libraries
PyPI
package-ecosystem
pyspark
OSS Libraries
Apache Software Foundation
oss-project·USaka apache foundation
Apache SparkOn-premDatabase
Databases / data-warehouse-analytics
apache
oss-project·USaka apache http server, apache httpd
sparkLibraryLibrary
OSS Libraries / generic-library

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Credential Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2025-55039
nvd.nist.gov
https://github.com/apache/spark/commit/05ba74e5f8043601b7af530429ceaf828d7bb329
github.com
https://github.com/apache/spark/commit/405b23b1aef889fad03bf4e3ced6d427dc9a43f4
github.com
and 6 more references View all →

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