How severe is CVE-2019-4202?

CVE-2019-4202 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4202?

CVE-2019-4202 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4202?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-4202 published?

CVE-2019-4202 was published on 2019-04-15 and last updated on 2026-06-17.

CVE-2019-4202

CVE-2019-4202 is a critical-severity vulnerability in Ibm Api Connect with a CVSS 3.x base score of 10.0. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 10.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Ibm Api Connect
Published: 2019-04-15
Last modified: 2026-06-17

Description

IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal is vulnerable to command injection. An attacker with a specially crafted request can run arbitrary code on the server and gain complete access to the system. IBM X-Force ID: 159123.

Frequently asked questions

What is CVE-2019-4202?: IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal is vulnerable to command injection. An attacker with a specially crafted request can run arbitrary code on the server and gain complete access to the system. IBM X-Force ID: 159123.
How severe is CVE-2019-4202?: CVE-2019-4202 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4202?: CVE-2019-4202 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-4202 published?: CVE-2019-4202 was published on 2019-04-15 and last updated on 2026-06-17.

References

Affected products (1)

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

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