How severe is CVE-2019-4381?

CVE-2019-4381 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 high, integrity none, and availability none.

Is CVE-2019-4381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4381?

CVE-2019-4381 primarily affects Ibm I. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4381?

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

When was CVE-2019-4381 published?

CVE-2019-4381 was published on 2019-06-14 and last updated on 2026-06-17.

CVE-2019-4381

CVE-2019-4381 is a medium-severity vulnerability in Ibm I 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. The underlying weakness is classified as CWE-255.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Ibm I
Published: 2019-06-14
Last modified: 2026-06-17

Description

IBM i 7.27.3 Clustering could allow a local attacker to obtain sensitive information, caused by the use of advanced node failure detection using the REST API to interface with the HMC. An attacker could exploit this vulnerability to obtain HMC credentials. IBM X-Force ID: 162159.

Frequently asked questions

What is CVE-2019-4381?: IBM i 7.27.3 Clustering could allow a local attacker to obtain sensitive information, caused by the use of advanced node failure detection using the REST API to interface with the HMC. An attacker could exploit this vulnerability to obtain HMC credentials. IBM X-Force ID: 162159.
How severe is CVE-2019-4381?: CVE-2019-4381 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 high, integrity none, and availability none.
Is CVE-2019-4381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4381?: CVE-2019-4381 primarily affects Ibm I. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4381 published?: CVE-2019-4381 was published on 2019-06-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*

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