CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
3467 vulnerabilities reference this CWE, most recent first.
GHSA-M3WM-RJVF-M778
Vulnerability from github – Published: 2022-10-18 19:00 – Updated: 2025-10-22 00:32An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.
{
"affected": [],
"aliases": [
"CVE-2022-40684"
],
"database_specific": {
"cwe_ids": [
"CWE-287",
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-10-18T14:15:00Z",
"severity": "CRITICAL"
},
"details": "An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.",
"id": "GHSA-m3wm-rjvf-m778",
"modified": "2025-10-22T00:32:37Z",
"published": "2022-10-18T19:00:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40684"
},
{
"type": "WEB",
"url": "https://fortiguard.com/psirt/FG-IR-22-377"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-M48P-VCJ6-WQ3J
Vulnerability from github – Published: 2026-05-04 18:30 – Updated: 2026-05-04 18:30Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure REST endpoint that accepts a plugins query parameter and forwards it to the plugin manager without authentication or authorization. Attackers can supply a URL to a malicious Python file through the plugins parameter, causing the Arelle webserver to download and execute the attacker-controlled code within the Arelle process with its privileges.
{
"affected": [],
"aliases": [
"CVE-2026-42796"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-04T18:16:32Z",
"severity": "CRITICAL"
},
"details": "Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure REST endpoint that accepts a plugins query parameter and forwards it to the plugin manager without authentication or authorization. Attackers can supply a URL to a malicious Python file through the plugins parameter, causing the Arelle webserver to download and execute the attacker-controlled code within the Arelle process with its privileges.",
"id": "GHSA-m48p-vcj6-wq3j",
"modified": "2026-05-04T18:30:32Z",
"published": "2026-05-04T18:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42796"
},
{
"type": "WEB",
"url": "https://github.com/Arelle/Arelle/pull/2320"
},
{
"type": "WEB",
"url": "https://github.com/Arelle/Arelle/releases/tag/2.39.10"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/arelle-unauthenticated-rce-via-rest-configure"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-M4FC-WMQ3-H3JQ
Vulnerability from github – Published: 2024-10-28 12:30 – Updated: 2026-04-01 18:32Authentication Bypass Using an Alternate Path or Channel vulnerability in Acnoo Acnoo Flutter API allows Authentication Bypass.This issue affects Acnoo Flutter API: from n/a through 1.0.5.
{
"affected": [],
"aliases": [
"CVE-2024-50486"
],
"database_specific": {
"cwe_ids": [
"CWE-288",
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-28T12:15:16Z",
"severity": "CRITICAL"
},
"details": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Acnoo Acnoo Flutter API allows Authentication Bypass.This issue affects Acnoo Flutter API: from n/a through 1.0.5.",
"id": "GHSA-m4fc-wmq3-h3jq",
"modified": "2026-04-01T18:32:09Z",
"published": "2024-10-28T12:30:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50486"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/Wordpress/Plugin/acnoo-flutter-api/vulnerability/wordpress-acnoo-flutter-api-plugin-1-0-5-account-takeover-vulnerability?_s_id=cve"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/vulnerability/acnoo-flutter-api/wordpress-acnoo-flutter-api-plugin-1-0-5-account-takeover-vulnerability?_s_id=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-M4P5-M968-7MW3
Vulnerability from github – Published: 2022-11-02 12:00 – Updated: 2022-11-03 19:00Password recovery vulnerability in SICK SIM2x00 (ARM) Partnumber 1092673 and 1081902 with firmware version <= 1.2.0 allows an unprivileged remote attacker to gain access to the userlevel defined as RecoverableUserLevel by invocating the password recovery mechanism method. The recommended solution is to update the firmware to a version >1.2.0 as soon as possible.
{
"affected": [],
"aliases": [
"CVE-2022-43989"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-11-01T21:15:00Z",
"severity": "HIGH"
},
"details": "Password recovery vulnerability in SICK SIM2x00 (ARM) Partnumber 1092673 and 1081902 with firmware version \u003c= 1.2.0 allows an unprivileged remote attacker to gain access to the userlevel defined as RecoverableUserLevel by invocating the password recovery mechanism method. The recommended solution is to update the firmware to a version \u003e1.2.0 as soon as possible.",
"id": "GHSA-m4p5-m968-7mw3",
"modified": "2022-11-03T19:00:26Z",
"published": "2022-11-02T12:00:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43989"
},
{
"type": "WEB",
"url": "https://sick.com/psirt"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-M4V3-95XP-3J5H
Vulnerability from github – Published: 2026-02-18 18:30 – Updated: 2026-02-18 21:31Missing authentication in /admin/student.php and /admin/teacher.php in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to obtain sensitive information (including plaintext password field values) via direct HTTP GET requests to these endpoints without a valid session.
{
"affected": [],
"aliases": [
"CVE-2025-70147"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-18T17:21:36Z",
"severity": "HIGH"
},
"details": "Missing authentication in /admin/student.php and /admin/teacher.php in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to obtain sensitive information (including plaintext password field values) via direct HTTP GET requests to these endpoints without a valid session.",
"id": "GHSA-m4v3-95xp-3j5h",
"modified": "2026-02-18T21:31:22Z",
"published": "2026-02-18T18:30:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-70147"
},
{
"type": "WEB",
"url": "https://projectworlds.com/online-time-table-generator-php-mysql"
},
{
"type": "WEB",
"url": "https://youngkevinn.github.io/posts/CVE-2025-70147-OTTTG-Info-Disclosure"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-M4W4-G5C5-J4F4
Vulnerability from github – Published: 2026-02-13 21:31 – Updated: 2026-02-27 00:31Calero VeraSMART versions prior to 2022 R1 expose an unauthenticated .NET Remoting HTTP service on TCP port 8001. The service publishes default ObjectURIs (including EndeavorServer.rem and RemoteFileReceiver.rem) and permits the use of SOAP and binary formatters with TypeFilterLevel set to Full. An unauthenticated remote attacker can invoke the exposed remoting endpoints to perform arbitrary file read and write operations via the WebClient class. This allows retrieval of sensitive files such as WebRoot\web.config, which may disclose IIS machineKey validation and decryption keys. An attacker can use these keys to generate a malicious ASP.NET ViewState payload and achieve remote code execution within the IIS application context. Additionally, supplying a UNC path can trigger outbound SMB authentication from the service account, potentially exposing NTLMv2 hashes for relay or offline cracking.
{
"affected": [],
"aliases": [
"CVE-2026-26333"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-13T21:16:52Z",
"severity": "CRITICAL"
},
"details": "Calero VeraSMART versions prior to\u00a02022 R1 expose an unauthenticated .NET Remoting HTTP service on TCP port 8001. The service publishes default ObjectURIs (including EndeavorServer.rem and RemoteFileReceiver.rem) and permits the use of SOAP and binary formatters with TypeFilterLevel set to Full. An unauthenticated remote attacker can invoke the exposed remoting endpoints to perform arbitrary file read and write operations via the WebClient class. This allows retrieval of sensitive files such as WebRoot\\\\web.config, which may disclose IIS machineKey validation and decryption keys. An attacker can use these keys to generate a malicious ASP.NET ViewState payload and achieve remote code execution within the IIS application context. Additionally, supplying a UNC path can trigger outbound SMB authentication from the service account, potentially exposing NTLMv2 hashes for relay or offline cracking.",
"id": "GHSA-m4w4-g5c5-j4f4",
"modified": "2026-02-27T00:31:44Z",
"published": "2026-02-13T21:31:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26333"
},
{
"type": "WEB",
"url": "https://www.calero.com"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/calero-verasmart-2022-r1-net-remoting-arbitrary-file-read-leading-to-viewstate-rce"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-M548-798M-MGJV
Vulnerability from github – Published: 2026-01-16 03:30 – Updated: 2026-06-04 09:30Delta Electronics DIAView has multiple vulnerabilities.
{
"affected": [],
"aliases": [
"CVE-2025-62582"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-16T03:15:59Z",
"severity": "CRITICAL"
},
"details": "Delta Electronics DIAView has multiple vulnerabilities.",
"id": "GHSA-m548-798m-mgjv",
"modified": "2026-06-04T09:30:34Z",
"published": "2026-01-16T03:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62582"
},
{
"type": "WEB",
"url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00001_DIAView%20Multiple%20Vulnerabilities%20(CVE-2025-62581,%20CVE-2025-62582).pdf"
},
{
"type": "WEB",
"url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00001_DIAView%20Multiple%20Vulnerabilities%20(CVE-2025-62581,%20CVE-2025-62582)_v1.1.pdf"
},
{
"type": "WEB",
"url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00008_DIAView%20Missing%20Authentication%20for%20Critical%20Function%20(CVE-2025-62582)_v1.1.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-M56H-QQGF-XQHV
Vulnerability from github – Published: 2023-08-08 03:30 – Updated: 2024-04-04 06:37SAP PowerDesigner - version 16.7, has improper access control which might allow an unauthenticated attacker to run arbitrary queries against the back-end database via Proxy.
{
"affected": [],
"aliases": [
"CVE-2023-37483"
],
"database_specific": {
"cwe_ids": [
"CWE-284",
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-08-08T01:15:17Z",
"severity": "CRITICAL"
},
"details": "SAP PowerDesigner - version 16.7, has improper access control which might allow an unauthenticated attacker to run arbitrary queries against the back-end database via Proxy.\n\n",
"id": "GHSA-m56h-qqgf-xqhv",
"modified": "2024-04-04T06:37:07Z",
"published": "2023-08-08T03:30:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37483"
},
{
"type": "WEB",
"url": "https://me.sap.com/notes/3341460"
},
{
"type": "WEB",
"url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-M582-GVHC-6WG7
Vulnerability from github – Published: 2024-10-17 03:31 – Updated: 2024-10-17 03:31The Miniorange OTP Verification with Firebase plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.6.0. This is due to missing validation on the token being supplied during the otp login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they know the phone number associated with that user.
{
"affected": [],
"aliases": [
"CVE-2024-9861"
],
"database_specific": {
"cwe_ids": [
"CWE-288",
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-17T02:15:03Z",
"severity": "HIGH"
},
"details": "The Miniorange OTP Verification with Firebase plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.6.0. This is due to missing validation on the token being supplied during the otp login through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they know the phone number associated with that user.",
"id": "GHSA-m582-gvhc-6wg7",
"modified": "2024-10-17T03:31:31Z",
"published": "2024-10-17T03:31:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9861"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/miniorange-firebase-sms-otp-verification/tags/3.6.0/handler/forms/class-loginform.php#L144"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/miniorange-firebase-sms-otp-verification/tags/3.6.0/handler/forms/class-loginform.php#L190"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset/3169869/miniorange-firebase-sms-otp-verification#file3"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/04045ec3-dd8e-4ac5-bd73-eef6205ecc62?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-M588-QHFH-Q4QG
Vulnerability from github – Published: 2025-05-03 18:30 – Updated: 2025-05-03 18:30IBM Business Automation Workflow 24.0.0 and 24.0.1 through 24.0.1 IF001 Center may leak sensitive information due to missing authorization validation.
{
"affected": [],
"aliases": [
"CVE-2025-1495"
],
"database_specific": {
"cwe_ids": [
"CWE-306"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-03T17:15:44Z",
"severity": "MODERATE"
},
"details": "IBM Business Automation Workflow 24.0.0 and 24.0.1 through 24.0.1 IF001 Center may leak sensitive information due to missing authorization validation.",
"id": "GHSA-m588-qhfh-q4qg",
"modified": "2025-05-03T18:30:29Z",
"published": "2025-05-03T18:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1495"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7232434"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
Mitigation
- 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 MIT-15
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
- 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 MIT-4.5
Strategy: Libraries or Frameworks
- 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
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.