How severe is CVE-2019-4424?

CVE-2019-4424 has a CVSS 3.x base score of 8.2, 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 low.

Is CVE-2019-4424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4424?

CVE-2019-4424 primarily affects Ibm Business Automation Workflow. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4424?

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-2019-4424 published?

CVE-2019-4424 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2019-4424

CVE-2019-4424 is a high-severity vulnerability in Ibm Business Automation Workflow with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 6.4
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ibm Business Automation Workflow
Published: 2019-08-20
Last modified: 2026-06-17

Description

IBM Business Automation Workflow 18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, and 19.0.0.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 162770.

Frequently asked questions

What is CVE-2019-4424?: IBM Business Automation Workflow 18.0.0.0, 18.0.0.1, 18.0.0.2, 19.0.0.1, and 19.0.0.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 162770.
How severe is CVE-2019-4424?: CVE-2019-4424 has a CVSS 3.x base score of 8.2, 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 low.
Is CVE-2019-4424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4424?: CVE-2019-4424 primarily affects Ibm Business Automation Workflow. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4424?: 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-2019-4424 published?: CVE-2019-4424 was published on 2019-08-20 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:a:ibm:business_automation_workflow:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.6.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.6.0:cf01:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.6.0:cf02:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:cf2016.06:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:cf2016.09:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:cf2016.12:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:cf2017.03:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.7.0:cf2017.06:*:*:*:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.6.0.0:-:*:*:-:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.6.0.0:cf2017.12:*:*:-:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.6.0.0:cf2018.03:*:*:-:*:*:*

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