How severe is CVE-2020-4203?

CVE-2020-4203 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-4203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4203?

CVE-2020-4203 affects Ibm Datapower Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4203?

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

When was CVE-2020-4203 published?

CVE-2020-4203 was published on 2020-03-19 and last updated on 2026-06-17.

CVE-2020-4203

CVE-2020-4203 is a medium-severity vulnerability in Ibm Datapower Gateway with a CVSS 3.x base score of 4.9. 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 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Datapower Gateway
Published: 2020-03-19
Last modified: 2026-06-17

Description

IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.8 could potentially disclose highly sensitive information to a privileged user due to improper access controls. IBM X-Force ID: 174956.

Frequently asked questions

What is CVE-2020-4203?: IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.8 could potentially disclose highly sensitive information to a privileged user due to improper access controls. IBM X-Force ID: 174956.
How severe is CVE-2020-4203?: CVE-2020-4203 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-4203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4203?: CVE-2020-4203 affects Ibm Datapower Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4203 published?: CVE-2020-4203 was published on 2020-03-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:*:*:*:*

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