Is CVE-2023-48691 in the CISA KEV catalog?

No. CVE-2023-48691 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-48691?

CVE-2023-48691 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2023-48691?

CVE-2023-48691 has an EPSS score of 3.13% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-48691?

Upgrade azure rtos netx duo to 6.3.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-48691

HIGHEPSS 86th pctl

8.1

CVSS v3

NVD

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.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

azure rtos netx duoNVD

Affected:< 6.3.0Fixed in:6.3.0CVE-2023-48691derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.13%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.