CVE-2023-48691 | BDVDB-2026-218552 Detail

azure-rtosnetxduo

Description#

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause an out-of-bounds write in Azure RTOS NETX Duo, that could lead to remote code execution. The affected components include process related to IGMP protocol in RTOS v6.2.1 and below. The fix has been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-787 Out-of-bounds Write

References#

https://github.com/azure-rtos/netxduo/security/advisories/GHSA-fwmg-rj6g-w99p

Exploit#

No public exploit known

History#

Version 12023-12-05Record published in the CVE List.
Version 22024-08-02Most recent update recorded in the CVE List.

Published

Published: 2023-12-05
Last modified: 2024-08-02

Vendor information

Vendor: azure-rtos
Product: netxduo

All azure-rtos vulnerabilities

Score

8.1 High

EPSS

3.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 87.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 6.3.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).