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CVE-2024-50954

HIGHCVSS 7.5/10EPSS 0.41%

Last modified

CVE-2024-50954 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The XINJE XL5E-16T and XD5E-24R-E programmable logic controllers V3.5.3b-V3.7.2a have a vulnerability in handling Modbus messages. When a TCP connection is established with the above series of controllers within a local area network (LAN), sending a specific Modbus message to the controller can cause the PLC to crash, interrupting the normal operation of the programs running in the PLC. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

The XINJE XL5E-16T and XD5E-24R-E programmable logic controllers V3.5.3b-V3.7.2a have a vulnerability in handling Modbus messages. When a TCP connection is established with the above series of controllers within a local area network (LAN), sending a specific Modbus message to the controller can cause the PLC to crash, interrupting the normal operation of the programs running in the PLC. This results in the ERR indicator light turning on and the RUN indicator light turning off.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.41%

32.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2024-50954?
The XINJE XL5E-16T and XD5E-24R-E programmable logic controllers V3.5.3b-V3.7.2a have a vulnerability in handling Modbus messages. When a TCP connection is established with the above series of controllers within a local area network (LAN), sending a specific Modbus message to the controller can cause the PLC to crash, interrupting the normal operation of the programs running in the PLC. This results in the ERR indicator light turning on and the RUN indicator light turning off.
How severe is CVE-2024-50954?
CVE-2024-50954 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2024-50954?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-50954?

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Source: NVD / NIST