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Status published
Medium
CVE-2020-11637
Automation Runtime TFTP Service DoS Vulnerability
Vulnerability Description
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
Automation Runtime
Vulnerable Versions:
unspecified, 4.2x, 4.3x, 4.4x, 4.5x, 4.6x, 4.7x
Timeline
Official Publish:
October 15th, 2020
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L