CVE-2020-11637 (GCVE-0-2020-11637)

Vulnerability from cvelistv5 – Published: 2020-10-15 15:08 – Updated: 2024-09-16 16:33
VLAI?
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CWE
  • CWE-401 - Improper Release of Memory Before Removing Last Reference
Assigner
ABB
References
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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  }
}


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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.



Detection rules are retrieved from Rulezet.