CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

CVE-2025-27803 (GCVE-0-2025-27803)

Vulnerability from cvelistv5 – Published: 2025-05-21 11:29 – Updated: 2025-11-03 19:46
VLAI
Title
Missing Authentication in eCharge Hardy Barth cPH2 / cPP2 charging stations
Summary
The devices do not implement any authentication for the web interface or the MQTT server. An attacker who has network access to the device immediately gets administrative access to the devices and can perform arbitrary administrative actions and reconfigure the devices or potentially gain access to sensitive data.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Credits
Stefan Viehböck | SEC Consult Vulnerability Lab
Show details on NVD website
To clipboard 

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CVE-2025-27935 (GCVE-0-2025-27935)

Vulnerability from cvelistv5 – Published: 2025-12-04 20:38 – Updated: 2025-12-05 17:33
VLAI
Title
Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit
Summary
The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Ping Identity One-Time Passcode Integration Kit for PingFederate Affected: 1.0 , ≤ 1.1 (custom)
Unaffected: 1.1.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-29870 (GCVE-0-2025-29870)

Vulnerability from cvelistv5 – Published: 2025-04-09 09:03 – Updated: 2025-04-10 14:24
VLAI
Summary
Missing authentication for critical function vulnerability exists in Wi-Fi AP UNIT 'AC-WPS-11ac series'. If exploited, a remote unauthenticated attacker may obtain the product configuration information including authentication information.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-30035 (GCVE-0-2025-30035)

Vulnerability from cvelistv5 – Published: 2026-03-02 11:14 – Updated: 2026-03-02 13:22
VLAI
Title
Lack of API authentication allowing session generation for any user
Summary
The vulnerability enables an attacker to fully bypass authentication in CGM CLININET and gain access to any active user account by supplying only the username, without requiring a password or any other credentials. Obtaining a session ID is sufficient for session takeover and grants access to the system with the privileges of the targeted user.
Severity
9 (Critical)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2025.MS4 (custom)
Create a notification for this product.
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30037 (GCVE-0-2025-30037)

Vulnerability from cvelistv5 – Published: 2025-08-27 10:20 – Updated: 2025-08-27 16:12
VLAI
Title
Missing authentication in APIs allowing data retrieval and modification
Summary
The system exposes several endpoints, typically including "/int/" in their path, that should be restricted to internal services, but are instead publicly accessible without authentication to any host able to reach the application server on port 443/tcp.
Severity
8.8 (High)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2025.MS2 (custom)
Create a notification for this product.
Date Public
2025-08-27 00:00
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30039 (GCVE-0-2025-30039)

Vulnerability from cvelistv5 – Published: 2025-08-27 10:20 – Updated: 2025-08-27 13:37
VLAI
Title
Missing authentication in API returning a list of all active sessions
Summary
Unauthenticated access to the "/cgi-bin/CliniNET.prd/GetActiveSessions.pl" endpoint allows takeover of any user session logged into the system, including users with admin privileges.
Severity
9 (Critical)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2024.MS4 (custom)
Create a notification for this product.
Date Public
2025-08-27 00:00
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30040 (GCVE-0-2025-30040)

Vulnerability from cvelistv5 – Published: 2025-08-27 10:21 – Updated: 2025-08-27 13:25
VLAI
Title
Missing authentication in API returning request logs containing session IDs
Summary
The vulnerability allows unauthenticated users to download a file containing session ID data by directly accessing the "/cgi-bin/CliniNET.prd/utils/userlogxls.pl" endpoint.
Severity
9 (Critical)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2024.MS4 (custom)
Create a notification for this product.
Date Public
2025-08-27 00:00
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30041 (GCVE-0-2025-30041)

Vulnerability from cvelistv5 – Published: 2025-08-27 10:21 – Updated: 2025-08-27 13:25
VLAI
Title
Missing authentication in APIs returning statistical data along with session IDs
Summary
The paths "/cgi-bin/CliniNET.prd/utils/userlogstat.pl", "/cgi-bin/CliniNET.prd/utils/usrlogstat.pl", and "/cgi-bin/CliniNET.prd/utils/dblogstat.pl" expose data containing session IDs.
Severity
9 (Critical)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2025.MS1 (custom)
Create a notification for this product.
Date Public
2025-08-27 00:00
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30048 (GCVE-0-2025-30048)

Vulnerability from cvelistv5 – Published: 2025-08-27 10:22 – Updated: 2025-08-27 13:25
VLAI
Title
Unauthenticated access to module configuration endpoint
Summary
The "serverConfig" endpoint, which returns the module configuration including credentials, is accessible without authentication.
Severity
5.3 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
CGM CGM CLININET Affected: 0 , < 2025.MS2 (custom)
Create a notification for this product.
Date Public
2025-08-27 00:00
Credits
Maciej Kazulak
Show details on NVD website
To clipboard 

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CVE-2025-30215 (GCVE-0-2025-30215)

Vulnerability from cvelistv5 – Published: 2025-04-15 23:25 – Updated: 2025-04-17 14:22
VLAI
Title
NATS-Server Fails to Authorize Certain Jetstream Admin APIs
Summary
NATS-Server is a High-Performance server for NATS.io, the cloud and edge native messaging system. In versions starting from 2.2.0 but prior to 2.10.27 and 2.11.1, the management of JetStream assets happens with messages in the $JS. subject namespace in the system account; this is partially exposed into regular accounts to allow account holders to manage their assets. Some of the JS API requests were missing access controls, allowing any user with JS management permissions in any account to perform certain administrative actions on any JS asset in any other account. At least one of the unprotected APIs allows for data destruction. None of the affected APIs allow disclosing stream contents. This vulnerability is fixed in v2.11.1 or v2.10.27.
Severity
9.6 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
nats-io nats-server Affected: >= 2.2.0, < 2.10.27
Affected: >= 2.11.0-RC.1, < 2.11.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation

Phase: Architecture and Design

Description:

  • Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
  • Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
  • In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation ID: MIT-15

Phase: Architecture and Design

Description:

  • For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation

Phase: Architecture and Design

Description:

  • Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
  • In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation ID: MIT-4.5

Phase: Architecture and Design

Strategy: Libraries or Frameworks

Description:

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation

Phases: Implementation, System Configuration, Operation

Description:

  • When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier

This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.

CAPEC-166: Force the System to Reset Values

An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.

CAPEC-216: Communication Channel Manipulation

An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.

CAPEC-36: Using Unpublished Interfaces or Functionality

An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.

CAPEC-62: Cross Site Request Forgery

An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.

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