What is CVE-2020-11637?

CVE-2020-11637 is a medium-severity vulnerability in B&r Automation Runtime, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.8/10. Published 2020-10-15.

How severe is CVE-2020-11637?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in B&r Automation Runtime

CVE-2020-11637

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.

EPSS: 0.011 (60.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

B&r Automation Runtime — versions unspecified, 4.2x, 4.3x
Br-automation Automation_runtime

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cybersecurity@ch.abb.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-11637?: CVE-2020-11637 is a medium-severity vulnerability in B&r Automation Runtime, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.8/10. Published 2020-10-15.
How severe is CVE-2020-11637?: Medium severity. CVSS v3 base score is 5.8 out of 10.