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Fencer Vulns
medium 5.3

CVE-2021-41590 json

In Gradle Enterprise through 2021.3, probing of the server-side network environment can occur via an SMTP configuration test.

published 2021-10-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28604

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

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.

Patch / fix

  • gradle enterprise 2021.3

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.