How severe is CVE-2019-19873?

CVE-2019-19873 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-19873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19873?

CVE-2019-19873 affects Br-automation Industrial Automation Aprol. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19873?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19873 published?

CVE-2019-19873 was published on 2020-11-27 and last updated on 2026-06-17.

CVE-2019-19873

CVE-2019-19873 is a high-severity vulnerability in Br-automation Industrial Automation Aprol with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Br-automation Industrial Automation Aprol
Published: 2020-11-27
Last modified: 2026-06-17

Description

An issue was discovered in B&R Industrial Automation APROL before R4.2 V7.08. An attacker can get information from the AprolSqlServer DBMS by bypassing authentication, a different vulnerability than CVE-2019-16356 and CVE-2019-9983.

Frequently asked questions

What is CVE-2019-19873?: An issue was discovered in B&R Industrial Automation APROL before R4.2 V7.08. An attacker can get information from the AprolSqlServer DBMS by bypassing authentication, a different vulnerability than CVE-2019-16356 and CVE-2019-9983.
How severe is CVE-2019-19873?: CVE-2019-19873 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-19873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19873?: CVE-2019-19873 affects Br-automation Industrial Automation Aprol. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19873 published?: CVE-2019-19873 was published on 2020-11-27 and last updated on 2026-06-17.

References

https://www.br-automation.com/downloads_br_productcatalogue/BRP44400000000000000585952/APROL_R42_A1_ReleaseNotes_001.pdf

Affected products (1)

cpe:2.3:a:br-automation:industrial_automation_aprol:*:*:*:*:*:*:*:*

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