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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2025-27377

Missing Validation of Self-Signed Certificates in Altium Designer Allows Man-in-the-Middle Attacks

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Altium Altium Designer

Default version status: unaffected

  • 24.9 to ≤ 25.1affected

References