How severe is CVE-2021-41590?

CVE-2021-41590 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-41590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41590?

CVE-2021-41590 affects Gradle Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41590?

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

When was CVE-2021-41590 published?

CVE-2021-41590 was published on 2021-10-27 and last updated on 2026-06-17.

CVE-2021-41590

CVE-2021-41590 is a medium-severity vulnerability in Gradle Enterprise with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gradle Enterprise
Published: 2021-10-27
Last modified: 2026-06-17

Description

In Gradle Enterprise through 2021.3, probing of the server-side network environment can occur via an SMTP configuration test. The installation configuration user interface available to administrators allows testing the configured SMTP server settings. This test function can be used to identify the listening TCP ports available to the server, revealing information about the internal network environment.

Frequently asked questions

What is CVE-2021-41590?: In Gradle Enterprise through 2021.3, probing of the server-side network environment can occur via an SMTP configuration test. The installation configuration user interface available to administrators allows testing the configured SMTP server settings. This test function can be used to identify the listening TCP ports available to the server, revealing information about the internal network environment.
How severe is CVE-2021-41590?: CVE-2021-41590 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-41590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41590?: CVE-2021-41590 affects Gradle Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41590?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41590 published?: CVE-2021-41590 was published on 2021-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gradle:enterprise:*:*:*:*:*:*:*:*

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