Medium severity · published Apr 29, 2020
CVE-2019-19101
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, <…
5.9
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Automation Studio · Br-automation
4.0 through 4.0.29.87; 4.1 through 4.1.17.113; 4.2 through 4.2.14.119; 4.3 before 4.3.11; 4.4 before 4.4.9; 4.5 before 4.5.5; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19101
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19101
Broken Link
https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/
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