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.— MITRE CWE catalog
3,492 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-306page 27 of 70
- CVE-2025-3461CRITICALCVSS 9.1EG 9.12025-06-08
The Quantenna Wi-Fi chips ship with an unauthenticated telnet interface by default. This is an instance of CWE-306, "Missing Authentication for Critical Function," and is estimated as a CVSS 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:…
- CVE-2025-40664CRITICALCVSS 9.1EG 9.12025-05-26
Missing authentication vulnerability in TCMAN GIM v11. This allows an unauthenticated attacker to access the resources /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser and /frmGestionUser.aspx/DeleteUser.
- CVE-2025-4557CRITICALCVSS 9.1EG 9.12025-05-12
The specific APIs of Parking Management System from ZONG YU has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to access specific APIs and operate system functions. These functions include opening gates a…
- CVE-2024-23943CRITICALCVSS 9.1EG 9.12025-03-18
An unauthenticated remote attacker can gain access to the cloud API due to a lack of authentication for a critical function in the affected devices. Availability is not affected.
- CVE-2025-0159CRITICALCVSS 9.1EG 9.12025-02-28
IBM FlashSystem (IBM Storage Virtualize (8.5.0.0 through 8.5.0.13, 8.5.1.0, 8.5.2.0 through 8.5.2.3, 8.5.3.0 through 8.5.3.1, 8.5.4.0, 8.6.0.0 through 8.6.0.5, 8.6.1.0, 8.6.2.0 through 8.6.2.1, 8.6.3.0, 8.7.0.0 through 8.7.0.2, 8.7.1.0, 8.…
- CVE-2025-26361CRITICALCVSS 9.1EG 9.12025-02-12
A CWE-306 "Missing Authentication for Critical Function" in maxprofile/setup/routes.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to factory reset the device via crafted HTTP requests.
- CVE-2024-47406CRITICALCVSS 9.1EG 9.12024-10-25
Sharp and Toshiba Tec MFPs improperly process HTTP authentication requests, resulting in an authentication bypass vulnerability.
- CVE-2024-48920CRITICALCVSS 9.1EG 9.12024-10-17
PutongOJ is online judging software. Prior to version 2.1.0-beta.1, unprivileged users can escalate privileges by constructing requests. This can lead to unauthorized access, enabling users to perform admin-level operations, potentially co…
- CVE-2024-35293CRITICALCVSS 9.1EG 9.12024-10-02
An unauthenticated remote attacker may use a missing authentication for critical function vulnerability to reboot or erase the affected devices resulting in data loss and/or a DoS.
- CVE-2024-6592CRITICALCVSS 9.1EG 9.12024-09-25
An incorrect authorization vulnerability in the protocol communication between the WatchGuard Authentication Gateway (aka Single Sign-On Agent) on Windows and the WatchGuard Single Sign-On Client on Windows and MacOS allows an attacker wit…
- CVE-2024-3279CRITICALCVSS 9.1EG 9.12024-08-12
An improper access control vulnerability exists in the mintplex-labs/anything-llm application, specifically within the import endpoint. This vulnerability allows an anonymous attacker, without an account in the application, to import their…
- CVE-2024-41259CRITICALCVSS 9.1EG 9.12024-08-01
Use of insecure hashing algorithm in the Gravatar's service in Navidrome v0.52.3 allows attackers to manipulate a user's account information.
- CVE-2024-32752CRITICALCVSS 9.1EG 9.12024-06-06
The iSTAR door controllers running firmware prior to version 6.6.B, does not support authenticated communications with ICU, which may allow an attacker to gain unauthorized access
- CVE-2020-26942CRITICALCVSS 9.1EG 9.12024-03-21
An issue discovered in Axigen Mail Server 10.3.x before 10.3.1.27 and 10.3.2.x before 10.3.3.1 allows unauthenticated attackers to submit a setAdminPassword operation request, subsequently setting a new arbitrary password for the admin acc…
- CVE-2023-51947CRITICALCVSS 9.1EG 9.12024-01-19
Improper access control on nasSvr.php in actidata actiNAS SL 2U-8 RDX 3.2.03-SP1 allows remote attackers to read and modify different types of data without authentication.
- CVE-2023-5376CRITICALCVSS 9.1EG 9.12024-01-09
An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.
- CVE-2023-4699CRITICALCVSS 9.1EG 9.12023-11-06
Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-…
- CVE-2023-43271CRITICALCVSS 9.1EG 9.12023-10-09
Incorrect access control in 70mai a500s v1.2.119 allows attackers to directly access and delete the video files of the driving recorder through ftp and other protocols.
- CVE-2023-44152CRITICALCVSS 9.1EG 9.12023-09-27
Sensitive information disclosure and manipulation due to improper authentication. The following products are affected: Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 35979.
- CVE-2023-38028CRITICALCVSS 9.1EG 9.12023-08-28
Saho’s attendance devices ADM100 and ADM-100FP have insufficient authentication. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication to read system information and operate user's data, but can’t…
- CVE-2023-34329CRITICALCVSS 9.1EG 9.12023-07-18
AMI MegaRAC SPx12 contains a vulnerability in BMC where a User may cause an authentication bypass by spoofing the HTTP header. A successful exploit of this vulnerability may lead to loss of confidentiality, integrity, and availability.
- CVE-2023-0354CRITICALCVSS 9.1EG 9.12023-03-13
The Akuvox E11 web server can be accessed without any user authentication, and this could allow an attacker to access sensitive information, as well as create and download packet captures with known default URLs.
- CVE-2023-27290CRITICALCVSS 9.1EG 9.12023-03-03
Docker based datastores for IBM Instana (IBM Observability with Instana 239-0 through 239-2, 241-0 through 241-2, and 243-0) do not currently require authentication. Due to this, an attacker within the network could access the datastores w…
- CVE-2023-0102CRITICALCVSS 9.1EG 9.12023-02-15
LS ELECTRIC XBC-DN32U with operating system version 01.80 is missing authentication for its deletion command. This could allow an attacker to delete arbitrary files.
- CVE-2022-44013CRITICALCVSS 9.1EG 9.12022-12-25
An issue was discovered in Simmeth Lieferantenmanager before 5.6. An attacker can make various API calls without authentication because the password in a Credential Object is not checked.
- CVE-2022-38168CRITICALCVSS 9.1EG 9.12022-11-03
Broken Access Control in User Authentication in Avaya Scopia Pathfinder 10 and 20 PTS version 8.3.7.0.4 allows remote unauthenticated attackers to bypass the login page, access sensitive information, and reset user passwords via URL modifi…
- CVE-2022-30317CRITICALCVSS 9.1EG 9.12022-08-31
Honeywell Experion LX through 2022-05-06 has Missing Authentication for a Critical Function. According to FSCT-2022-0055, there is a Honeywell Experion LX Control Data Access (CDA) EpicMo protocol with unauthenticated functionality issue. …
- CVE-2022-35122CRITICALCVSS 9.1EG 9.12022-08-17
An access control issue in Ecowitt GW1100 Series Weather Stations <=GW1100B_v2.1.5 allows unauthenticated attackers to access sensitive information including device and local WiFi passwords.
- CVE-2022-36129CRITICALCVSS 9.1EG 9.12022-07-26
HashiCorp Vault Enterprise 1.7.0 through 1.9.7, 1.10.4, and 1.11.0 clusters using Integrated Storage expose an unauthenticated API endpoint that could be abused to override the voter status of a node within a Vault HA cluster, introducing …
- CVE-2022-29952CRITICALCVSS 9.1EG 9.12022-07-26
Bently Nevada condition monitoring equipment through 2022-04-29 mishandles authentication. It utilizes the TDI command and data protocols (60005/TCP, 60007/TCP) for communications between the monitoring controller and System 1 and/or Bentl…
- CVE-2022-29951CRITICALCVSS 9.1EG 9.12022-07-26
JTEKT TOYOPUC PLCs through 2022-04-29 mishandle authentication. They utilize the CMPLink/TCP protocol (configurable on ports 1024-65534 on either TCP or UDP) for a wide variety of engineering purposes such as starting and stopping the PLC,…
- CVE-2021-44222CRITICALCVSS 9.1EG 9.12022-07-12
A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated re…
- CVE-2022-1521CRITICALCVSS 9.1EG 9.12022-06-24
LRM does not implement authentication or authorization by default. A malicious actor can inject, replay, modify, and/or intercept sensitive data.
- CVE-2022-27332CRITICALCVSS 9.1EG 9.12022-04-27
An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication. This vulnerability can allow attackers to execute phishing attacks or cause a Denial of Service (DoS).
- CVE-2021-45878CRITICALCVSS 9.1EG 9.12022-03-21
Multiple versions of GARO Wallbox GLB/GTB/GTC are affected by incorrect access control. Lack of access control on the web manger pages allows any user to view and modify information.
- CVE-2022-25359CRITICALCVSS 9.1EG 9.12022-02-26
On ICL ScadaFlex II SCADA Controller SC-1 and SC-2 1.03.07 devices, unauthenticated remote attackers can overwrite, delete, or create files.
- CVE-2021-22823CRITICALCVSS 9.1EG 9.12022-02-11
A CWE-306: Missing Authentication for Critical Function vulnerability exists that could cause deletion of arbitrary files in the context of the user running IGSS due to lack of validation of network messages. Affected Product: Interactive …
- CVE-2021-22805CRITICALCVSS 9.1EG 9.12022-02-11
A CWE-306: Missing Authentication for Critical Function vulnerability exists that could cause deletion of arbitrary files in the context of the user running IGSS due to lack of validation of network messages. Affected Product: Interactive …
- CVE-2022-23944CRITICALCVSS 9.1EG 9.12022-01-25
User can access /plugin api without authentication. This issue affected Apache ShenYu 2.4.0 and 2.4.1.
- CVE-2021-28506CRITICALCVSS 9.1EG 9.12022-01-14
An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
- CVE-2021-39233CRITICALCVSS 9.1EG 9.12021-11-19
In Apache Ozone versions prior to 1.2.0, Container related Datanode requests of Ozone Datanode were not properly authorized and can be called by any client.
- CVE-2021-41974CRITICALCVSS 9.1EG 9.12021-10-08
Tad Book3 editing book page does not perform identity verification. Remote attackers can use the vulnerability to view and modify arbitrary content of books without permission.
- CVE-2021-32700CRITICALCVSS 9.1EG 9.12021-06-22
Ballerina is an open source programming language and platform for cloud application programmers. Ballerina versions 1.2.x and SL releases up to alpha 3 have a potential for a supply chain attack via MiTM against users. Http connections did…
- CVE-2020-4670CRITICALCVSS 9.1EG 9.12021-05-17
IBM Planning Analytics Local 2.0 connects to a Redis server. The Redis server, an in-memory data structure store, running on the remote host is not protected by password authentication. A remote attacker can exploit this to gain unauthoriz…
- CVE-2020-36333CRITICALCVSS 9.1EG 9.12021-05-05
themegrill-demo-importer before 1.6.2 does not require authentication for wiping the database, because of a reset_wizard_actions hook.
- CVE-2020-28899CRITICALCVSS 9.1EG 9.12021-03-16
The Web CGI Script on ZyXEL LTE4506-M606 V1.00(ABDO.2)C0 devices does not require authentication, which allows remote unauthenticated attackers (via crafted JSON action data to /cgi-bin/gui.cgi) to use all features provided by the router. …
- CVE-2021-26705CRITICALCVSS 9.1EG 9.12021-03-05
An issue was discovered in SquareBox CatDV Server through 9.2. An attacker can invoke sensitive RMI methods such as getConnections without authentication, the results of which can be used to generate valid authentication tokens. These toke…
- CVE-2020-27285CRITICALCVSS 9.1EG 9.12021-01-06
The default configuration of Crimson 3.1 (Build versions prior to 3119.001) allows a user to be able to read and modify the database without authentication.
- CVE-2020-29551CRITICALCVSS 9.1EG 9.12020-12-23
An issue was discovered in URVE Build 24.03.2020. Using the _internal/pc/shutdown.php path, it is possible to shutdown the system. Among others, the following files and scripts are also accessible: _internal/pc/abort.php, _internal/pc/rest…
- CVE-2020-15243CRITICALCVSS 9.1EG 9.12020-10-08
Affected versions of Smartstore have a missing WebApi Authentication attribute. This vulnerability affects Smartstore shops in version 4.0.0 & 4.0.1 which have installed and activated the Web API plugin. Users of Smartstore 4.0.0 and 4.0.1…
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