Sparx Systems Sparx Enterprise Architect up to 16.1.1627/17.1.1713 OAuth2 Credential insufficiently protected credentials

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

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 databases at EUVD (EUVD-2025-209499) and CERT Bund (WID-SEC-2026-1163). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Sparx Systems Enterprise Architect

Productinfo

Vendor

Name

Version

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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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
04/17/2026 +1 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: 🔒
CERT Bund: WID-SEC-2026-1163 - Sparx Systems Enterprise Architect: Mehrere Schwachstellen

Entryinfo

Created: 04/16/2026 15:50
Updated: 04/17/2026 13:33
Changes: 04/16/2026 15:50 (70), 04/16/2026 15:57 (1), 04/17/2026 13:33 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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