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ABBCVE-2019-19101

HistoryApr 29, 2020 - 3:15 a.m.

CVE-2019-19101

2020-04-2903:15:16

CWE-326

CWE-295

ABB

web.nvd.nist.gov

cve-2019-19101

b&r automation studio

security

communication

tls

validation

unauthenticated

mitm

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

30.4%

JSON

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.

Affected configurations

Nvd

Node

br-automationautomation_studioRange4.0–4.0.29.87

br-automationautomation_studioRange4.1–4.1.17.113

br-automationautomation_studioRange4.2–4.2.14.119

br-automationautomation_studioRange4.3–4.3.11

br-automationautomation_studioRange4.4–4.4.9

br-automationautomation_studioRange4.5–4.5.5

br-automationautomation_studioRange4.6–4.6.4

br-automationautomation_studioRange4.7–4.7.2

VendorProductVersionCPE
br-automationautomation_studio*cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
br-automation	automation_studio	*	cpe:2.3:a:br-automation:automation_studio::::::::

CNA Affected

[
  {
    "product": "Automation Studio",
    "vendor": "B&R",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.x"
      },
      {
        "status": "affected",
        "version": "4.1.x"
      },
      {
        "status": "affected",
        "version": "4.2.x"
      },
      {
        "status": "affected",
        "version": "< 4.3.11SP"
      },
      {
        "status": "affected",
        "version": "< 4.4.9SP"
      },
      {
        "status": "affected",
        "version": "< 4.5.5SP"
      },
      {
        "status": "affected",
        "version": "< 4.6.3SP"
      },
      {
        "status": "affected",
        "version": "< 4.7.2"
      }
    ]
  }
]

References

www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

30.4%

JSON

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