CVE-2020-11637
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Automation Runtime TFTP Service DoS Vulnerability
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Automation Runtime
- Vendor
- B&R
- Product
- Automation Runtime
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | Unavailable | 4.1x | None listed |
| 4.2x | affected | custom | N4.26 | Unavailable | None listed |
| 4.3x | affected | custom | N4.34 | Unavailable | None listed |
| 4.4x | affected | custom | F4.45 | Unavailable | None listed |
| 4.5x | affected | custom | E4.53 | Unavailable | None listed |
| 4.6x | affected | custom | D4.63 | Unavailable | None listed |
| 4.7x | affected | custom | A4.73 | Unavailable | None listed |