How severe is CVE-2020-4719?

CVE-2020-4719 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 none, integrity high, and availability none.

Is CVE-2020-4719 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4719?

CVE-2020-4719 primarily affects Ibm Cloud Application Performance Management. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4719?

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

When was CVE-2020-4719 published?

CVE-2020-4719 was published on 2021-03-02 and last updated on 2026-06-17.

CVE-2020-4719

CVE-2020-4719 is a medium-severity vulnerability in Ibm Cloud Application Performance Management 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. The underlying weakness is classified as CWE-706.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-706
Affected product: Ibm Cloud Application Performance Management
Published: 2021-03-02
Last modified: 2026-06-17

Description

The IBM Cloud APM 8.1.4 server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition. This could enable an authenticated user with admin authorization to create DNS query strings that are not hostnames. IBM X-Force ID: 187861.

Frequently asked questions

What is CVE-2020-4719?: The IBM Cloud APM 8.1.4 server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition. This could enable an authenticated user with admin authorization to create DNS query strings that are not hostnames. IBM X-Force ID: 187861.
How severe is CVE-2020-4719?: CVE-2020-4719 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 none, integrity high, and availability none.
Is CVE-2020-4719 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4719?: CVE-2020-4719 primarily affects Ibm Cloud Application Performance Management. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4719?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4719 published?: CVE-2020-4719 was published on 2021-03-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:cloud_application_performance_management:8.1.4:*:*:*:*:advanced_private:*:*
cpe:2.3:a:ibm:cloud_application_performance_management:8.1.4:*:*:*:*:base_private:*:*

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