How severe is CVE-2019-20434?

CVE-2019-20434 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-20434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20434?

CVE-2019-20434 affects Wso2 Api Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20434?

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

When was CVE-2019-20434 published?

CVE-2019-20434 was published on 2020-01-28 and last updated on 2026-06-17.

CVE-2019-20434

CVE-2019-20434 is a medium-severity vulnerability in Wso2 Api Manager with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wso2 Api Manager
Published: 2020-01-28
Last modified: 2026-06-17

Description

An issue was discovered in WSO2 API Manager 2.6.0. A potential Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the Datasource creation page of the Management Console.

Frequently asked questions

What is CVE-2019-20434?: An issue was discovered in WSO2 API Manager 2.6.0. A potential Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the Datasource creation page of the Management Console.
How severe is CVE-2019-20434?: CVE-2019-20434 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-20434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20434?: CVE-2019-20434 affects Wso2 Api Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20434 published?: CVE-2019-20434 was published on 2020-01-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:*

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