How severe is CVE-2019-4439?

CVE-2019-4439 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2019-4439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4439?

CVE-2019-4439 primarily affects Ibm Cloud Private. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4439?

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

When was CVE-2019-4439 published?

CVE-2019-4439 was published on 2019-07-25 and last updated on 2026-06-17.

CVE-2019-4439

CVE-2019-4439 is a medium-severity vulnerability in Ibm Cloud Private with a CVSS 3.x base score of 5.3. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.6
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Ibm Cloud Private
Published: 2019-07-25
Last modified: 2026-06-17

Description

IBM Cloud Private 3.1.0, 3.1.1, and 3.1.2 does not invalidate session after logout which could allow a local user to impersonate another user on the system. IBM X-Force ID: 162949.

Frequently asked questions

What is CVE-2019-4439?: IBM Cloud Private 3.1.0, 3.1.1, and 3.1.2 does not invalidate session after logout which could allow a local user to impersonate another user on the system. IBM X-Force ID: 162949.
How severe is CVE-2019-4439?: CVE-2019-4439 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2019-4439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4439?: CVE-2019-4439 primarily affects Ibm Cloud Private. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4439 published?: CVE-2019-4439 was published on 2019-07-25 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:cloud_private:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cloud_private:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cloud_private:3.1.2:*:*:*:*:*:*:*

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