SecuriTricks - CVE-2025-27377

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.

Product(s) Impacted

Vendor	Product	Versions
Altium	Altium Designer	24.9.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-295

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	altium	altium_designer	24.9.0	/	/	/	/	/	/	/

References

https://www.altium.com/platform/security-compliance/security-advisories

CVSS Score

5.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

View Vector String

Timeline

Published: Jan. 22, 2026, 1:15 a.m.
Last Modified: Jan. 22, 2026, 1:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

4760f414-e1ae-4ff1-bdad-c7a9c3538b79

CVE-2025-27377