CVEvulnerability
CVE-2020-11637
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-401
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.
Affected configurations
• 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)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness