CVE-2020-11637 (GCVE-0-2020-11637)
Vulnerability from cvelistv5 – Published: 2020-10-15 15:08 – Updated: 2024-09-16 16:33
VLAI?
Title
Automation Runtime TFTP Service DoS Vulnerability
Summary
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.
Severity ?
5.8 (Medium)
CWE
- CWE-401 - Improper Release of Memory Before Removing Last Reference
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| B&R | Automation Runtime |
Affected:
unspecified , ≤ 4.1x
(custom)
Affected: 4.2x , < N4.26 (custom) Affected: 4.3x , < N4.34 (custom) Affected: 4.4x , < F4.45 (custom) Affected: 4.5x , < E4.53 (custom) Affected: 4.6x , < D4.63 (custom) Affected: 4.7x , < A4.73 (custom) |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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