Vulnerability · Published Apr 16, 2026 · Assigned by NCSC-FI
CVE-2025-15621Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Medium 5.7
In plain English
A medium-severity security flaw in Sparx Enterprise Architect from Sparx Systems Pty Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.1%top 98.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sparx Systems Pty Ltd. | Sparx Enterprise Architect | 16.1.1627 |
Weakness: CWE-522 · 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