CVE-2020-11637

MEDIUM

Br-automation Automation Runtime < 4.10 - Memory Leak

Title source: rule

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.

References (1)

[Vendor Advisory] https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf

Scores

CVSS v3 5.8

EPSS 0.0029

EPSS Percentile 52.1%

Attack Vector NETWORK

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

Classification

CWE

CWE-401

Status published

Affected Products (1)

br-automation/automation_runtime < 4.10

Timeline

Published Oct 15, 2020

Tracked Since Feb 18, 2026