How severe is CVE-2019-4437?

CVE-2019-4437 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-4437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4437?

CVE-2019-4437 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4437?

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

When was CVE-2019-4437 published?

CVE-2019-4437 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2019-4437

CVE-2019-4437 is a medium-severity vulnerability in Ibm Api Connect 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Api Connect
Published: 2019-08-20
Last modified: 2026-06-17

Description

IBM API Connect 2018.1 through 2018.4.1.6 may inadvertently leak sensitive details about internal servers and network via API swagger. IBM X-force ID: 162947.

Frequently asked questions

What is CVE-2019-4437?: IBM API Connect 2018.1 through 2018.4.1.6 may inadvertently leak sensitive details about internal servers and network via API swagger. IBM X-force ID: 162947.
How severe is CVE-2019-4437?: CVE-2019-4437 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-4437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4437?: CVE-2019-4437 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4437 published?: CVE-2019-4437 was published on 2019-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*

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