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CVE Record

CVE-2019-19877: An issue was discovered in B&R Industrial Automation APROL before R4.2 V7.08.

An issue was discovered in B&R Industrial Automation APROL before R4.2 V7.08. An attacker can get access to sensitive information outside the working directory via Directory Traversal attacks against AprolSqlServer, a different vulnerability than CVE-2019-16357.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2019-19877 affects B&R Industrial Automation APROL before R4.2 V7.08. It can allow an attacker to read sensitive information outside the intended working directory. The public bundle does not provide a CVSS score, attack prerequisites, or confirmed exploitation evidence.

Executive priority

Prioritize identification and vendor-supported remediation for APROL environments, especially in operational technology networks. Urgency is limited by incomplete public severity data, but sensitive data exposure in industrial systems warrants timely handling.

Technical view

The issue is a directory traversal vulnerability against AprolSqlServer in APROL before R4.2 V7.08. It is described as distinct from CVE-2019-16357. Available sources do not define affected CPEs, authentication requirements, network reachability, impact scope, or a CVSS vector.

Likely exposure

Exposure is most likely where APROL deployments before R4.2 V7.08 include reachable AprolSqlServer services. The bundle does not confirm whether internet exposure, authentication bypass, or default configurations are involved.

Exploitation context

The source bundle does not cite CISA KEV inclusion or any public active exploitation. Treat this as a sensitive information disclosure risk, but do not assume exploitation in the wild from the provided evidence.

Researcher notes

Evidence is sparse. The CVE description names directory traversal against AprolSqlServer and a version boundary before R4.2 V7.08, but omits CVSS, authentication context, affected CPEs, exploitability details, and explicit mitigation text.

Mitigation direction

  • Inventory APROL systems and identify any versions before R4.2 V7.08.
  • Review B&R release notes and vendor guidance for the appropriate update path.
  • Upgrade affected APROL deployments to R4.2 V7.08 or later where applicable.
  • Restrict access to AprolSqlServer to trusted management networks only.
  • Monitor vendor advisories for any additional mitigations or configuration guidance.

Validation and detection

  • Confirm the installed APROL version on each relevant system.
  • Verify whether AprolSqlServer is present and reachable from untrusted networks.
  • Check change records for upgrade to R4.2 V7.08 or later.
  • Review logs for unusual file access or path traversal indicators.
  • Document any compensating network controls around APROL services.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2019-19877 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.