SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-48691

An attacker can cause an out-of-bounds write in Azure RTOS NETX Duo, that could lead to remote code execution.

CRITICAL 9.8EPSS 3.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.11% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
microsoft/azure rtos netx duo
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.