CVE-2020-28918

MEDIUM 5.3CVE-2020-28918 · Published 16/02/2021 · updated 17/06/2026

In short

CVE-2020-28918 is a MEDIUM (CVSS 5.3) vulnerability affecting dualshield (deepnetsecurity).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 65.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
dualshield deepnetsecurity	`= 5.9.8.0821`	No fix yet

Description

DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an "unknown username" error message.

References

cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918
deepnetsecurity.com/multi-factor-authentication · Vendor Advisory
excellium-services.com/cert-xlm-advisory/CVE-2020-28918 · Third Party Advisory

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