How severe is CVE-2020-4205?

CVE-2020-4205 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-4205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4205?

CVE-2020-4205 affects Ibm Datapower Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4205?

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

When was CVE-2020-4205 published?

CVE-2020-4205 was published on 2020-03-19 and last updated on 2026-06-17.

CVE-2020-4205

CVE-2020-4205 is a medium-severity vulnerability in Ibm Datapower Gateway with a CVSS 3.x base score of 6.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
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 allow an authenticated user to bypass security restrictions, and continue to access the server even after authentication certificates have been revolked. IBM X-Force ID: 174961.

Frequently asked questions

What is CVE-2020-4205?: IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.8 could allow an authenticated user to bypass security restrictions, and continue to access the server even after authentication certificates have been revolked. IBM X-Force ID: 174961.
How severe is CVE-2020-4205?: CVE-2020-4205 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-4205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4205?: CVE-2020-4205 affects Ibm Datapower Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4205?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4205 published?: CVE-2020-4205 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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Other CWE-287 (Improper Authentication) vulnerabilities

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