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CWE-284 (访问控制不恰当) — Vulnerability Class 2088

2088 vulnerabilities classified as CWE-284 (访问控制不恰当). AI Chinese analysis included.

CWE-284 represents a critical security weakness where software fails to properly restrict access to sensitive resources, allowing unauthorized actors to interact with data or functions they should not reach. This flaw typically arises when developers neglect to implement robust authentication or authorization checks, enabling attackers to bypass security controls through direct URL manipulation, token forgery, or privilege escalation techniques. Exploitation often leads to severe consequences, including data breaches, unauthorized system modifications, or complete service disruption. To mitigate this risk, developers must enforce strict access control policies at every layer of the application architecture. This involves implementing comprehensive identity verification, applying the principle of least privilege, and rigorously validating user permissions before granting access to any protected resource, ensuring that only authenticated and authorized users can perform specific actions.

MITRE CWE Description
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Access control involves the use of several protection mechanisms such as: Authentication (proving the identity of an actor) Authorization (ensuring that a given actor can access a resource), and Accountability (tracking of activities that were performed) When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: Specification: incorrect privileges, permissions, ownership, etc. are explicitly specified for either the user or the resource (for example, setting a password file to be world-writable, or giving administrator capabilities to a guest user). This action could be performed by the program or the administrator. Enforcement: the mechanism contains errors that prevent it from properly enforcing the specified access control requirements (e.g., allowing the user to specify their own privileges, or allowing a syntactically-incorrect ACL to produce insecure settings). This problem occurs within the program itself, in that it does not actually enforce the intended security policy that the administrator specifies.
Common Consequences (1)
OtherVaries by Context
Mitigations (2)
Architecture and Design, OperationVery carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
Architecture and DesignCompartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separatio…
Examples (2)
This code temporarily raises the program's privileges to allow creation of a new user folder.
def makeNewUserDir(username): if invalidUsername(username): #avoid CWE-22 and CWE-78 print('Usernames cannot contain invalid characters') return False try: raisePrivileges() os.mkdir('/home/' + username) lowerPrivileges() except OSError: print('Unable to create new user directory for user:' + username) return False return True
Bad · Python
This function runs an arbitrary SQL query on a given database, returning the result of the query.
function runEmployeeQuery($dbName, $name){ mysql_select_db($dbName,$globalDbHandle) or die("Could not open Database".$dbName); //Use a prepared statement to avoid CWE-89 $preparedStatement = $globalDbHandle->prepare('SELECT * FROM employees WHERE name = :name'); $preparedStatement->execute(array(':name' => $name)); return $preparedStatement->fetchAll(); } /.../ $employeeRecord = runEmployeeQuery('EmployeeDB',$_GET['EmployeeName']);
Bad · PHP
CVE IDTitleCVSSSeverityPublished
CVE-2023-21750 Windows Kernel Elevation of Privilege Vulnerability — Windows 10 Version 1809 7.1 High2023-01-10
CVE-2023-21742 Microsoft SharePoint Server Remote Code Execution Vulnerability — Microsoft SharePoint Enterprise Server 2016 8.8 High2023-01-10
CVE-2023-21531 Azure Service Fabric Container Elevation of Privilege Vulnerability — Azure Service Fabric 8.2 7.0 High2023-01-10
CVE-2023-22473 Passcode bypass on Talk-Android app — security-advisories 2.1 Low2023-01-09
CVE-2022-23508 GitOps Run allows for Kubernetes workload injection — weave-gitops 8.9 High2023-01-09
CVE-2014-125054 koroket RedditOnRails Vote access control — RedditOnRails 4.3 Medium2023-01-07
CVE-2021-4300 ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control — Halcyon 6.3 Medium2023-01-04
CVE-2022-34672 NVIDIA Control Panel 安全漏洞 — vGPU software (guest driver) - Windows, NVIDIA Cloud Gaming (guest driver) 7.8 High2022-12-30
CVE-2022-4807 Improper Access Control in usememos/memos — usememos/memos 4.3 -2022-12-28
CVE-2022-4809 Improper Access Control in usememos/memos — usememos/memos 4.3 -2022-12-28
CVE-2022-4810 Improper Access Control in usememos/memos — usememos/memos 4.3 -2022-12-28
CVE-2022-4814 Improper Access Control in usememos/memos — usememos/memos 4.3 -2022-12-28
CVE-2022-41654 Ghost CMS访问控制错误漏洞 — Ghost 8.1 -2022-12-23
CVE-2022-44565 Ubiquiti airMAX和airFiber安全漏洞 — UISP Wireless 5.3 -2022-12-23
CVE-2022-4684 Improper Access Control in usememos/memos — usememos/memos 5.4 -2022-12-23
CVE-2022-4689 Improper Access Control in usememos/memos — usememos/memos 5.4 -2022-12-23
CVE-2022-4724 Improper Access Control in ikus060/rdiffweb — ikus060/rdiffweb 7.5 -2022-12-23
CVE-2022-23513 Pi-Hole/AdminLTE vulnerable due to improper access control in queryads endpoint — AdminLTE 5.3 Medium2022-12-22
CVE-2022-3186 Dataprobe iBoot-PDU 安全漏洞 — iBoot-PDU FW 8.6 High2022-12-21
CVE-2022-28173 Hikvision DS-3WF0AC-2NT和DS-3WF01C-2N/O 安全漏洞 — DS-3WF0AC-2NT 9.1 Critical2022-12-21
CVE-2022-38546 Zyxel NBG7510 安全漏洞 — NBG7510 firmware 5.3 Medium2022-12-21
CVE-2022-4567 Improper Access Control in openemr/openemr — openemr/openemr 4.3 -2022-12-17
CVE-2022-38355 DAIKIN SVMPC1和DAIKIN SVMPC2 安全漏洞 — SVMPC1 7.5 High2022-12-13
CVE-2022-45936 Siemens Mendix Email Connector 安全漏洞 — Mendix Email Connector 8.1 -2022-12-13
CVE-2022-45937 部分Siemens产品 安全漏洞 — APOGEE PXC Compact (BACnet) 8.8 High2022-12-13
CVE-2022-46354 Siemens SCALANCE Series 安全漏洞 — SCALANCE X204RNA (HSR) 7.5 -2022-12-13
CVE-2022-46664 Mendix Workflow Commons 访问控制错误漏洞 — Mendix Workflow Commons 8.1 High2022-12-13
CVE-2022-41261 SAP Solution Manager 安全漏洞 — Solution Manager (Diagnostic Agent) 6.0 Medium2022-12-12
CVE-2022-39894 SAMSUNG Mobile devices 安全漏洞 — Samsung Mobile Devices 4.0 Medium2022-12-08
CVE-2022-39895 SAMSUNG Mobile devices 安全漏洞 — Samsung Mobile Devices 4.0 Medium2022-12-08

Vulnerabilities classified as CWE-284 (访问控制不恰当) represent 2088 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.