CVE-2020-12053 is a critical authorization bypass vulnerability affecting Unisys Stealth versions 3.4.x, 4.x, and 5.x before 5.0.026. This flaw allows an unauthenticated attacker to gain full access to an endpoint if certificate-based authorization is used without HTTPS, bypassing the need for a private key. With a CVSS score of 9.8 (Critical), this vulnerability presents a high risk of complete compromise (Confidentiality, Integrity, Availability) with low attack complexity and no user interaction required. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.4, < 5.0.026CPE matchmatch criteria | cpe:2.3:a:unisys:stealth:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.