CWE-603
Use of Client-Side Authentication
A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check.
CVE-2025-12868 (GCVE-0-2025-12868)
Vulnerability from cvelistv5 – Published: 2025-11-10 03:14 – Updated: 2025-11-10 21:42
VLAI
Title
CyberTutor｜New Site Server - Use of Client-Side Authentication
Summary
New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated remote attackers to modify the frontend code to gain administrator privileges on the website.
Severity
9.8 (Critical)
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10493-bf807-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10492-84a10-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | New Site Server |
Affected:
0
|
Date Public
2025-11-10 03:10
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CVE-2025-24517 (GCVE-0-2025-24517)
Vulnerability from cvelistv5 – Published: 2025-03-31 04:48 – Updated: 2025-03-31 12:59
VLAI
Summary
Use of client-side authentication issue exists in CHOCO TEI WATCHER mini (IB-MCT001) all versions. If this issue is exploited, a remote attacker may obtain the product login password without authentication.
Severity
7.5 (High)
CWE
- CWE-603 - Use of client-side authentication
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Inaba Denki Sangyo Co., Ltd. | CHOCO TEI WATCHER mini (IB-MCT001) |
Affected:
all versions
|
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CVE-2025-30042 (GCVE-0-2025-30042)
Vulnerability from cvelistv5 – Published: 2026-03-02 11:14 – Updated: 2026-03-02 13:21
VLAI
Title
Session generation possible with certificate number only
Summary
The CGM CLININET system provides smart card authentication; however, authentication is conducted locally on the client device, and, in reality, only the certificate number is used for access verification. As a result, possession of the certificate number alone is sufficient for authentication, regardless of the actual presence of the smart card or ownership of the private key.
Severity
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/03/CVE-2025-10350/ | third-party-advisory |
| https://www.cgm.com/pol_pl/products/szpital/cgm-c… | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CGM | CGM CLININET |
Affected:
0 , < 2025.MS2
(custom)
|
Credits
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CVE-2025-61940 (GCVE-0-2025-61940)
Vulnerability from cvelistv5 – Published: 2025-12-02 21:07 – Updated: 2025-12-09 17:03
VLAI
Title
Mirion Medical EC2 Software NMIS BioDose Use of Client-Side Authentication
Summary
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Severity
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mirion Medical | EC2 Software NMIS BioDose |
Affected:
0 , < 23.0
(custom)
Unaffected: 23.0 |
Date Public
2025-12-02 17:00
Credits
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CVE-2025-62649 (GCVE-0-2025-62649)
Vulnerability from cvelistv5 – Published: 2025-10-17 00:00 – Updated: 2025-10-29 15:05 Exclusively Hosted Service
VLAI
Summary
The Restaurant Brands International (RBI) assistant platform through 2025-09-06 relies on client-side authentication for submission of equipment orders.
Severity
5.8 (Medium)
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Restaurant Brands International | assistant platform |
Affected:
0 , ≤ 2025-09-06
(custom)
|
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CVE-2025-62650 (GCVE-0-2025-62650)
Vulnerability from cvelistv5 – Published: 2025-10-17 00:00 – Updated: 2025-10-29 15:04 Exclusively Hosted Service
VLAI
Summary
The Restaurant Brands International (RBI) assistant platform through 2025-09-06 relies on client-side authentication for use of the diagnostic screen.
Severity
8.3 (High)
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Restaurant Brands International | assistant platform |
Affected:
0 , ≤ 2025-09-06
(custom)
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CVE-2025-64119 (GCVE-0-2025-64119)
Vulnerability from cvelistv5 – Published: 2026-01-02 21:26 – Updated: 2026-01-05 16:15
VLAI
Title
Nuvation Energy BMS Client-side Authentication
Summary
A vulnerability in Nuvation Battery Management System allows Authentication Bypass.This issue affects Battery Management System: through 2.3.9.
Severity
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nuvation Energy | Battery Management System |
Affected:
0 , ≤ 2.3.9
(semver)
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CVE-2026-1363 (GCVE-0-2026-1363)
Vulnerability from cvelistv5 – Published: 2026-01-23 08:37 – Updated: 2026-01-23 15:27
VLAI
Title
JNC｜IAQS and I6 - Client-Side Enforcement of Server-Side Security
Summary
IAQS and I6 developed by JNC has a Client-Side Enforcement of Server-Side Security vulnerability, allowing unauthenticated remote attackers to gain administrator privileges by manipulating the web front-end.
Severity
9.8 (Critical)
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10652-4cdca-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10653-117a1-2.html | third-party-advisory |
Date Public
2026-01-23 07:57
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CVE-2026-40551 (GCVE-0-2026-40551)
Vulnerability from cvelistv5 – Published: 2026-04-28 13:13 – Updated: 2026-04-28 14:16 Unsupported When Assigned
VLAI
Title
Use of Client-Side Authentication in mpGabinet
Summary
mpGabinet performs client-side authentication. An attacker with access to any application instance connected to the backend server can bypass the login verification process by manipulating the application binary and authenticate as an arbitrary user.
This issue affects mpGabinet version 23.12.19 and below.
Severity
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/04/CVE-2026-40550/ | third-party-advisory |
| https://www.mpgabinet.pl/ | product |
Impacted products
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CVE-2026-42098 (GCVE-0-2026-42098)
Vulnerability from cvelistv5 – Published: 2026-05-19 12:59 – Updated: 2026-05-19 15:27
VLAI
Title
Authorization Bypass in Sparx Enterprise Architect
Summary
Sparx Enterprise Architect software has a security feature that limits user's actions to those specified in the role. An authenticated attacker can modify the Enterprise Architect client behavior (e.g. using a debugger) and log in as any other user or administrator - then it is possible to do every possible change to the repository.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 17.1 and below were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Severity
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/05/CVE-2026-42096 | third-party-advisory |
| https://sparxsystems.com/products/ea/ | product |
| https://sploit.tech/2026/05/19/Sparx-Enterprise-A… | technical-description |
| https://efigo.pl/blog/CVE-2026-42096/ | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Sparx Systems | Enterprise Architect |
Affected:
0 , ≤ 17.1
(semver)
|
Credits
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Mitigation
Phase: Architecture and Design
Description:
- Do not rely on client side data. Always perform server side authentication.
No CAPEC attack patterns related to this CWE.