CVE-2019-19102 | BDVDB-2026-135341 Detail

B&RAutomation Studio

Description#

A directory traversal vulnerability in SharpZipLib used in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x and 4.2.x allow unauthenticated users to write to certain local directories. The vulnerability is also known as zip slip.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

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

Exploit#

No public exploit known

History#

Version 12020-04-29Record published in the CVE List.
Version 22024-08-05Most recent update recorded in the CVE List.

Published

Published: 2020-04-29
Last modified: 2024-08-05

Vendor information

Vendor: B&R
Product: Automation Studio

All B&R vulnerabilities

Score

5.5 Medium

EPSS

1.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 70.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
4.0.x
Fixed
Not stated
Vulnerable
4.1.x
Fixed
Not stated
Vulnerable
4.2.x
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).