CVE-2025-27377: Missing Validation of Self-Signed Certificates in Altium Designer Allows Man-in-the-Middle Attacks
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-27377?
CVE-2025-27377 is classified as a high severity vulnerability due to its potential for exploitation through man-in-the-middle attacks.
How do I fix CVE-2025-27377?
To fix CVE-2025-27377, ensure that Altium Designer is updated to a version that properly validates self-signed certificates.
What are the potential impacts of CVE-2025-27377?
The impacts of CVE-2025-27377 include unauthorized access to sensitive information and the possibility of data being intercepted during cloud connections.
Which version of Altium Designer is affected by CVE-2025-27377?
CVE-2025-27377 affects Altium Designer version 24.9.0 and potentially earlier versions.
How can attackers exploit CVE-2025-27377?
Attackers can exploit CVE-2025-27377 by performing man-in-the-middle attacks to intercept communications with unverified self-signed certificates.