CVE-2025-11044

HIGHCVSS 8.9/10EPSS 0.31%

Last modified

CVE-2025-11044 is a high-severity vulnerability rated 8.9/10 on the CVSS scale. An Allocation of Resources Without Limits or Throttling vulnerability in the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and prior to R4.93 could be exploited by an unauthenti-cated attacker on the network to win a race condition, resulting in permanent denial-of-service (DoS) conditions on affected devices.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

An Allocation of Resources Without Limits or Throttling vulnerability in the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and prior to R4.93 could be exploited by an unauthenti-cated attacker on the network to win a race condition, resulting in permanent denial-of-service (DoS) conditions on affected devices.

Metrics

CVSS 3.1
6.8/10

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

CVSS 4.0
8.9/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.31%

23.0th 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-2025-11044?
An Allocation of Resources Without Limits or Throttling vulnerability in the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and prior to R4.93 could be exploited by an unauthenti-cated attacker on the network to win a race condition, resulting in permanent denial-of-service (DoS) conditions on affected devices.
How severe is CVE-2025-11044?
CVE-2025-11044 has a CVSS score of 8.9/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2025-11044?
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-2025-11044?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST