How severe is CVE-2019-4447?

CVE-2019-4447 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4447?

CVE-2019-4447 primarily affects Ibm Db2 High Performance Unload Load. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4447?

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-2019-4447 published?

CVE-2019-4447 was published on 2019-08-26 and last updated on 2026-06-17.

CVE-2019-4447

CVE-2019-4447 is a high-severity vulnerability in Ibm Db2 High Performance Unload Load with a CVSS 3.x base score of 7.8. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Ibm Db2 High Performance Unload Load
Published: 2019-08-26
Last modified: 2026-06-17

Description

IBM DB2 High Performance Unload load for LUW 6.1, 6.1.0.1, 6.1.0.1 IF1, 6.1.0.2, 6.1.0.2 IF1, and 6.1.0.1 IF2 db2hpum_debug is a setuid root binary which trusts the PATH environment variable. A low privileged user can execute arbitrary commands as root by altering the PATH variable to point to a user controlled location. When a crash is induced the trojan gdb command is executed. IBM X-Force ID: 163488.

Frequently asked questions

What is CVE-2019-4447?: IBM DB2 High Performance Unload load for LUW 6.1, 6.1.0.1, 6.1.0.1 IF1, 6.1.0.2, 6.1.0.2 IF1, and 6.1.0.1 IF2 db2hpum_debug is a setuid root binary which trusts the PATH environment variable. A low privileged user can execute arbitrary commands as root by altering the PATH variable to point to a user controlled location. When a crash is induced the trojan gdb command is executed. IBM X-Force ID: 163488.
How severe is CVE-2019-4447?: CVE-2019-4447 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4447?: CVE-2019-4447 primarily affects Ibm Db2 High Performance Unload Load. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4447?: 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-2019-4447 published?: CVE-2019-4447 was published on 2019-08-26 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1.0.1:if1:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1.0.1:if2:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_high_performance_unload_load:6.1.0.2:if1:*:*:*:*:*:*

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