CVE-2020-11637
Last modified
CVE-2020-11637 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 estimates a 1.08% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Br-Automation | Automation Runtime | <= 4.10 |
| Br-Automation | Automation Runtime | >= 4.20, < n4.26 |
| Br-Automation | Automation Runtime | >= 4.40, < f4.45 |
| Br-Automation | Automation Runtime | >= 4.50, < e4.53 |
| Br-Automation | Automation Runtime | >= 4.60, < d4.63 |
| Br-Automation | Automation Runtime | >= 4.70, < a4.73 |
| Br-Automation | Automation Runtime | >= 4.30, < n4.34 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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