CVE Tools
Sign in

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
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 87.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache Spark has Inadequate Encryption Strength

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
Open in CVSS calculator →

Weaknesses

CWE-326CWE-347

Affected Products

org.apache.spark:spark-network-common_2.13MavenOSS Libraries
org.apache.spark:spark-network-common_2.12MavenOSS Libraries
pysparkPyPIOSS Libraries
Apache SparkApache Software Foundation
On-premDatabase
Databases / data-warehouse-analytics
sparkapache
LibraryLibrary
OSS Libraries / generic-library
mavenpackage-ecosystemOSS Libraries
pypipackage-ecosystemOSS Libraries
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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 →

Timeline

Published
Oct 15, 2025
Last Updated
Nov 4, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-55039 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows