CVE-2024-50595
No known exploitation. EPSS puts it in the 53rd percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted series of network requests can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.This vulnerability affects the NetX Duo Component HTTP Server implementation which can be found in x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\http\nxd_http_server.c
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.8% chance of exploitation activity in the next 30 days, which ranks it in the 53rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 215 days, from the signal feeds we watch.
- Record updated
- Publishedweakness classified, att&ck mapped
Affected products
- X-CUBE-AZRT-H7RSHardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-F4Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-F7Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-G0Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-G4Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-H7Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-L4Hardware Firmware / cpu-gpu
- X-CUBE-AZRTOS-L5Hardware Firmware / cpu-gpu
- x-cube-azrt-h7rsOperating Systems / rtos-embedded-os
- x-cube-azrtos-f4Operating Systems / rtos-embedded-os
- x-cube-azrtos-f7Operating Systems / rtos-embedded-os
- x-cube-azrtos-g0Operating Systems / rtos-embedded-os
- x-cube-azrtos-g4Operating Systems / rtos-embedded-os
- x-cube-azrtos-h7Operating Systems / rtos-embedded-os
- x-cube-azrtos-l4Operating Systems / rtos-embedded-os
- x-cube-azrtos-l5Operating Systems / rtos-embedded-os
And 4 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Scored 4.3 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationmedium confidence
Sources
Watch the software you run.
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