Security readout for executives and security teams
Plain-English summary
B&R APROL systems before R4.2 V7.08 had web interface scripts that could let an attacker inject unintended commands for execution on the web server. For an industrial automation environment, that can threaten system integrity and availability if the web interface is reachable.
Executive priority
Prioritize remediation for any reachable APROL web interface, especially in operational technology environments. Even without confirmed exploitation data, arbitrary command execution on an industrial web server is a serious integrity and availability risk.
Technical view
CVE-2019-19874 describes command injection in some APROL web interface scripts before R4.2 V7.08. The source bundle provides no CVSS score, CWE, authentication requirement, exploit detail, or complete affected CPE data. It is explicitly separate from CVE-2019-16364.
Likely exposure
Exposure is most likely where B&R APROL versions older than R4.2 V7.08 are deployed and the APROL web interface is reachable from user networks, remote access paths, or the internet.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked as CISA KEV. No public exploit status is established by the supplied evidence.
Researcher notes
Evidence is sparse: no CVSS, CWE, authentication context, or exploit maturity is provided. Treat the version boundary and command-injection description as the reliable facts, and avoid assuming affected configurations beyond APROL before R4.2 V7.08.
Mitigation direction
- Upgrade APROL systems to R4.2 V7.08 or later where applicable.
- Review B&R release notes and vendor guidance before production changes.
- Restrict APROL web interface access to trusted management networks.
- Require authenticated remote access paths such as VPN or controlled jump hosts.
- Monitor web server and APROL logs for unusual command execution indicators.
Validation and detection
- Inventory APROL deployments and record exact installed versions.
- Confirm no production instance runs a version before R4.2 V7.08.
- Map where APROL web interfaces are reachable from users or remote access.
- Review firewall, VPN, and segmentation controls around APROL systems.
- Check logs for suspicious web requests or unexpected process execution.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-19874 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.br-automation.com/downloads_br_productcatalogue/BRP44400000000000000585952/APROL_R42_A1_ReleaseNotes_001.pdfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.