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CWE-923 (通信信道对预期端点的不适当限制) — Vulnerability Class 67

67 vulnerabilities classified as CWE-923 (通信信道对预期端点的不适当限制). AI Chinese analysis included.

CWE-923 represents a critical architectural flaw where software fails to verify the identity of a communication endpoint, allowing connections to proceed without proper authentication or validation. Attackers typically exploit this vulnerability by spoofing the intended target’s identity, often through IP address manipulation or socket hijacking, thereby tricking the application into granting privileged access to unauthorized entities. This misdirection enables attackers to intercept sensitive data or execute malicious commands under the guise of a trusted service. To mitigate this risk, developers must implement robust endpoint verification mechanisms, such as mutual TLS authentication, strict IP whitelisting, and certificate pinning. By ensuring that every communication channel is rigorously authenticated against a known, trusted source, organizations can prevent unauthorized entities from impersonating legitimate endpoints and maintain the integrity of their network communications.

MITRE CWE Description
The product establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it does not properly ensure that it is communicating with the correct endpoint. Attackers might be able to spoof the intended endpoint from a different system or process, thus gaining the same level of access as the intended endpoint. While this issue frequently involves authentication between network-based clients and servers, other types of communication channels and endpoints can have this weakness.
Common Consequences (1)
Integrity, Confidentiality Gain Privileges or Assume Identity
If an attacker can spoof the endpoint, the attacker gains all the privileges that were intended for the original endpoint.
Examples (2)
These cross-domain policy files mean to allow Flash and Silverlight applications hosted on other domains to access its data:
<cross-domain-policy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.adobe.com/xml/schemas/PolicyFile.xsd"> <allow-access-from domain="*.example.com"/> <allow-access-from domain="*"/> </cross-domain-policy>
Bad · XML
<?xml version="1.0" encoding="utf-8"?> <access-policy> <cross-domain-access> <policy> <allow-from http-request-headers="SOAPAction"> <domain uri="*"/> </allow-from> <grant-to> <resource path="/" include-subpaths="true"/> </grant-to> </policy> </cross-domain-access> </access-policy>
Bad · XML
This Android application will remove a user account when it receives an intent to do so:
IntentFilter filter = new IntentFilter("com.example.RemoveUser"); MyReceiver receiver = new MyReceiver(); registerReceiver(receiver, filter); public class DeleteReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { int userID = intent.getIntExtra("userID"); destroyUserData(userID); } }
Bad · Java
CVE ID Title CVSS Severity Published
CVE-2026-10756 TRO600 端口转发绕过 localhost 访问限制漏洞 — TRO600 Series Firmware 7.7 High 2026-10-27
CVE-2026-110909 Wheels CLI<=4.1.0端口代理与命令注入漏洞 — Wheels CLI 5.0 Medium 2026-10-15
CVE-2026-102085 Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker — Junos OS Evolved 6.5 Medium 2026-10-14
CVE-2026-70212 Windows Security Center Elevation of Privilege Vulnerability — Windows 10 Version 1607 7.0 High 2026-10-13
CVE-2026-85925 Azure Key Vault Client SDK Elevation of Privilege Vulnerability — azure-keyvault-administration 8.2 High 2026-10-13
CVE-2026-86345 389-ds-base: 389-ds-base: starttls plaintext-buffer retention allows on-path attacker to forge an ldap client's authentication result — Red Hat Directory Server 11 9.0 Critical 2026-10-01
CVE-2026-102727 FTPD被动数据连接未绑定控制对等体漏洞 — NetX Duo 6.0 Medium 2026-09-29
CVE-2026-82932 Missing Firewall Configuration in mH-DEVELOPER — mH-DEVELOPER 5.3 Medium 2026-09-28
CVE-2026-90461 OpenStack ironic 授权问题漏洞 — Ironic 6.3 Medium 2026-09-11
CVE-2026-87734 OCaml utcp 授权问题漏洞 — utcp 7.5 High 2026-09-09
CVE-2026-13608 OpenLDAP SASL authentication bypass — curl - - 2026-09-06
CVE-2026-62836 Azure SQL Managed Instance Elevation of Privilege Vulnerability — Azure SQL Managed Instance 8.7 High 2026-08-06
CVE-2026-18655 Broker Credential and OAuth Token Disclosure in AWS Labs Amazon MQ MCP Server via Prompt Injection — amazon-mq-mcp-server 6.5 Medium 2026-08-03
CVE-2026-23904 Apache Kyuubi: Unrestricted access via Kyuubi engine-ui proxy — Apache Kyuubi - - 2026-07-29
CVE-2026-63226 Ricoh printers and Multifunction Printers 授权问题漏洞 — Ricoh printers and Multifunction Printers (MFPs) 6.9 Medium 2026-07-23
CVE-2026-8920 ASUS Aura Wallpaper Service 输入验证错误漏洞 — Aura Wallpaper Service - - 2026-07-15
CVE-2026-59841 Fortinet FortiSIEMWindowsAgent 授权问题漏洞 — FortiSIEMWindowsAgent 6.9 High 2026-07-14
CVE-2026-57028 Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker — Junos OS Evolved 7.3 High 2026-07-09
CVE-2026-33803 Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker — Junos OS Evolved 6.5 Medium 2026-07-09
CVE-2026-55655 Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat enterprise linux openssh client versions — Red Hat Enterprise Linux 10 5.0 Medium 2026-06-23
CVE-2026-12539 Docker Sandboxes ICMP egress restriction bypass after daemon restart — Docker Sandboxes 5.1 Medium 2026-06-18
CVE-2026-12039 Docker Sandboxes network egress allowlist bypass via unfiltered DNS resolution — Docker Sandboxes 5.7 Medium 2026-06-18
CVE-2025-36145 Multiple Vulnerabilities in watsonx.data — watsonx.data 5.4 Medium 2026-05-26
CVE-2026-22726 Route Services Firewall Bypass — Routing release 5.0 Medium 2026-04-30
CVE-2025-36180 Inadequate Pod Communication Restrictions, affects watsonx.data — watsonx.data 5.3 Medium 2026-04-30
CVE-2026-34205 Home Assistant: Unauthenticated App (Add-on) Endpoints Exposed to Local Network via Host Network Mode — Home Assistant Operating System 9.7 Critical 2026-03-27
CVE-2025-36438 Multiple Vulnerabilities in IBM Concert Software — Concert 5.1 Medium 2026-03-25
CVE-2025-62843 QuRouter — QuRouter 6.8 - 2026-03-20
CVE-2026-23664 Azure IoT Explorer Information Disclosure Vulnerability — Azure IoT Explorer 7.5 High 2026-03-10
CVE-2025-27769 Siemens Heliox Flex 180 kW EV Charging Station和Siemens Heliox Mobile DC 40 kW EV Charging Station 安全漏洞 — Heliox Flex 180 kW EV Charging Station 2.6 Low 2026-03-10

Vulnerabilities classified as CWE-923 (通信信道对预期端点的不适当限制) represent 67 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.