CVE-2020-12053

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-22 · updated 2026-06-17
Weakness: CWE-863

Description

In Unisys Stealth 3.4.x, 4.x and 5.x before 5.0.026, if certificate-based authorization is used without HTTPS, an endpoint could be authorized without a private key.

Affected products

Unisys Stealth: from 3.4 before 5.0.026 — fixed in 5.0.026

How to fix

Upgrade to a fixed version: Unisys Stealth 5.0.026. Check the vendor advisory for mitigations.

References

https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=54
https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=54

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