CVE-2025-15621 | Sparx Systems Sparx Enterprise Architect up to 16.1.1627/17.1.1713 OAuth2 Credential insufficiently protected credentials (EUVD-2025-209499)

VDB-357920 · CVE-2025-15621 · EUVD-2025-209499 SPARX SYSTEMS SPARX ENTERPRISE ARCHITECT UP TO 16.1.1627/17.1.1713 OAUTH2 CREDENTIAL INSUFFICIENTLY PROTECTED CREDENTIALS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.3 $0-$5k 6.08+ Summaryinfo A vulnerability labeled as problematic has been found in Sparx Systems Sparx Enterprise Architect up to 16.1.1627/17.1.1713. This affects an unknown part of the component OAuth2 Credential Handler. Such manipulation leads to insufficiently protected credentials. This vulnerability is referenced as CVE-2025-15621. The attack can only be performed from a local environment. No exploit is available. The affected component should be upgraded. Detailsinfo A vulnerability was found in Sparx Systems Sparx Enterprise Architect up to 16.1.1627/17.1.1713. It has been rated as problematic. Affected by this issue is an unknown part of the component OAuth2 Credential Handler. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability. Using CWE to declare the problem leads to CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. Impacted is confidentiality, integrity, and availability. CVE summarizes: Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication The weakness was published by Pasi Orovuo, Solita Oy, Henri Hämäläinen, Solita Oy, Samu Ahvenainen and Solita Oy. The advisory is shared for download at sparxsystems.com. This vulnerability is handled as CVE-2025-15621 since 04/09/2026. The exploitation is known to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552. Upgrading to version 17.1.1714 eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-209499). Productinfo Vendor Sparx Systems Name Sparx Enterprise Architect Version 16.1.1627 17.1.1713 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.5 VulDB Meta Temp Score: 4.3 VulDB Base Score: 4.5 VulDB Temp Score: 4.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Insufficiently protected credentials CWE: CWE-522 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Sparx Enterprise Architect 17.1.1714 Timelineinfo 04/09/2026 CVE reserved 04/16/2026 +7 days Advisory disclosed 04/16/2026 +0 days VulDB entry created 04/16/2026 +0 days VulDB entry last update Sourcesinfo Advisory: sparxsystems.com Researcher: Pasi Orovuo, Solita Oy, Henri Hämäläinen, Solita Oy, Samu Ahvenainen, Solita Oy Status: Confirmed CVE: CVE-2025-15621 (🔒) GCVE (CVE): GCVE-0-2025-15621 GCVE (VulDB): GCVE-100-357920 EUVD: 🔒 Entryinfo Created: 04/16/2026 15:50 Updated: 04/16/2026 15:57 Changes: 04/16/2026 15:50 (70), 04/16/2026 15:57 (1) Complete: 🔍 Cache ID: 99:0E4:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸