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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (64.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-11637: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.