VULNERABILITY INTELLIGENCE

CVE-2020-11637

CVSS score5.8 MEDIUM
EPSS probability1.09%
CISA KEVNot currently listed
Published2020-10-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

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.

Weakness classification

  • cybersecurity@ch.abb.com: CWE-401
  • nvd@nist.gov: CWE-401

Primary references