CVE-2023-48691: azure-rtos netxduo Out-of-bounds Write
Vulnerability summary
CVE-2023-48691 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in azure-rtos netxduo. EPSS estimates a 3.11% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.
Timeline
- 05-12-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- CVE.orgCNA8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
3.11%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.11% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Azure-rtos1 product
- netxduo< 6.3.0
Microsoft1 product
- azure_rtos_netx_duo< 6.3.0
2 vendors · 2 products
References
1 links- github.com/azure-rtos/netxduo/security/advisories/GHSA-fwmg-rj6g-w99pX Refsource CONFIRMThird Party Advisory