CVE-2025-15621 PUBLISHED

Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication

Assigner: NCSC-FI
Reserved: 09.04.2026 Published: 16.04.2026 Updated: 16.04.2026

Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/S:P/AU:Y/V:C/RE:M
CVSS Score: 5.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	High
Attack Complexity	High	Integrity	Low	Integrity	Low
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Sparx Systems Pty Ltd.
Product	Sparx Enterprise Architect
Versions	Default: unknown Version 16.1.1627 is affected Version 17.1.1714 is unaffected

Solutions

Update to fixed version

Credits

Pasi Orovuo, Solita Oy finder
Henri Hämäläinen, Solita Oy finder
Samu Ahvenainen, Solita Oy finder

References

https://sparxsystems.com/products/ea/17.1/history.html

Problem Types

CWE-522: Insufficiently Protected Credentials CWE