CVE-2025-27377 (GCVE-0-2025-27377)

Vulnerability from cvelistv5 – Published: 2026-01-22 00:16 – Updated: 2026-01-22 14:41
VLAI?
Title
Missing Validation of Self-Signed Certificates in Altium Designer Allows Man-in-the-Middle Attacks
Summary
Altium Designer version 24.9.0 does not validate self-signed server certificates for cloud connections. An attacker capable of performing a man-in-the-middle (MITM) attack could exploit this issue to intercept or manipulate network traffic, potentially exposing authentication credentials or sensitive design data.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
  • CWE-295 - – Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Altium Altium Designer Affected: 24.9 , ≤ 25.1 (semver)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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