CVE-2023-48316

Q: How do I fix CVE-2023-48316?

Upgrade azure rtos netx duo to 6.3.0 or later.

Q: Is CVE-2023-48316 being actively exploited?

Not that we know of. CVE-2023-48316 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 90% of all scored CVEs.

Q: How severe is CVE-2023-48316?

CVE-2023-48316 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-48316 affect?

Published advisories record a fix for azure rtos netx duo (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 90th pctl

9.8

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 remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have 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 CWE-825

How to fix

Remediation Available

azure rtos netx duoNVD

Affected:< 6.3.0Fixed in:6.3.0CVE-2023-48316derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.33%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% 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

Common questions

How do I fix CVE-2023-48316?

Upgrade azure rtos netx duo to 6.3.0 or later.

Is CVE-2023-48316 being actively exploited?

Not that we know of. CVE-2023-48316 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 90% of all scored CVEs.

How severe is CVE-2023-48316?

CVE-2023-48316 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-48316 affect?

Published advisories record a fix for azure rtos netx duo (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.