How severe is CVE-2019-4101?

CVE-2019-4101 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-4101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4101?

CVE-2019-4101 primarily affects Ibm Db2. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4101?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4101 published?

CVE-2019-4101 was published on 2019-07-01 and last updated on 2026-06-17.

CVE-2019-4101

CVE-2019-4101 is a medium-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Db2
Published: 2019-07-01
Last modified: 2026-06-17

Description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.1, 10.5, and 11.1 is vulnerable to a denial of service. Users that have both EXECUTE on PD_GET_DIAG_HIST and access to the diagnostic directory on the DB2 server can cause the instance to crash. IBM X-Force ID: 158091.

Frequently asked questions

What is CVE-2019-4101?: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.1, 10.5, and 11.1 is vulnerable to a denial of service. Users that have both EXECUTE on PD_GET_DIAG_HIST and access to the diagnostic directory on the DB2 server can cause the instance to crash. IBM X-Force ID: 158091.
How severe is CVE-2019-4101?: CVE-2019-4101 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-4101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4101?: CVE-2019-4101 primarily affects Ibm Db2. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4101?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4101 published?: CVE-2019-4101 was published on 2019-07-01 and last updated on 2026-06-17.

References

Affected products (35)

cpe:2.3:a:ibm:db2:9.7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:9.7.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:10.5.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4.4:*:*:*:*:*:*:*

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