Is CVE-2021-41590 actively exploited?

No active exploitation of CVE-2021-41590 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41590 be exploited remotely?

Yes. CVE-2021-41590 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-41590?

CVE-2021-41590 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2021-41590

NVD-CWE-noinfoPublished: October 27, 2021· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-41590 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.