CVE-2019-19101
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data tampering.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-326 · Inadequate encryption strength
- Record status
- Modified
Affected
- br-automation Automation Studio ≤ 4.0.29.87
- br-automation Automation Studio ≤ 4.1.17.113
- br-automation Automation Studio ≤ 4.2.14.119
- br-automation Automation Studio < 4.3.11
- br-automation Automation Studio < 4.4.9
- br-automation Automation Studio < 4.5.5
- br-automation Automation Studio < 4.6.4
- br-automation Automation Studio < 4.7.2
Attack profile CVSS 3.1 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-19101.md and follow it. Check whether this project is affected by CVE-2019-19101. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/
- https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/