CVE-2019-19101 (GCVE-0-2019-19101)

Vulnerability from cvelistv5 – Published: 2020-04-29 02:07 – Updated: 2024-08-05 02:09
VLAI
Title
Incomplete communication encryption and validation in B&R Automation Studio upgrade service
Summary
A missing secure communication definition and an incomplete TLS validation in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.5SP, < 4.6.4 and < 4.7.2 enable unauthenticated users to perform MITM attacks via the B&R upgrade server.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE
  • CWE-326 - Inadequate Encryption Strength
Assigner
ABB
References
Impacted products
Vendor Product Version
B&R Automation Studio Affected: 4.0.x
Affected: 4.1.x
Affected: 4.2.x
Affected: < 4.3.11SP
Affected: < 4.4.9SP
Affected: < 4.5.5SP
Affected: < 4.6.3SP
Affected: < 4.7.2
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.