CVE-2026-67974
Received Received - Intake

SBN Peer Subscription Message Handling DoS in NASA cFS

Vulnerability report for CVE-2026-67974, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-03

Last updated on: 2026-08-06

Assigner: MITRE

Description

A parser boundary flaw in the Software Bus Network (SBN) application's peer subscription message handling in NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via sending a crafted packet.

CVSS Scores

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Meta Information

Published
2026-08-03
Last Modified
2026-08-06
Generated
2026-08-24
AI Q&A
2026-08-04
EPSS Evaluated
2026-08-22
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
nasa cfs 7.0.1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

A parser boundary flaw in NASA cFS v7.0.1's Software Bus Network (SBN) application allows attackers to send a crafted packet that causes a Denial of Service (DoS) by disrupting peer subscription message handling.

Detection Guidance

Detection of this vulnerability requires monitoring for unusual network traffic targeting the Software Bus Network (SBN) application in NASA cFS v7.0.1. Inspect logs for malformed peer subscription messages or unexpected packet patterns. Use network monitoring tools like tcpdump or Wireshark to capture and analyze SBN traffic for anomalies.

Impact Analysis

This vulnerability could allow attackers to disrupt the normal operation of NASA cFS v7.0.1 by causing a system crash or unresponsiveness, leading to service interruptions.

Compliance Impact

The vulnerability causes a Denial of Service (DoS) via crafted packets, which could disrupt system availability. This may impact compliance with standards requiring data availability like GDPR (Article 32) or HIPAA (Security Rule), but specific compliance effects depend on system context and mitigations.

Mitigation Strategies

Update NASA cFS to the latest version to address the parser boundary flaw in SBN's peer subscription message handling.

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