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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-2025-61939 Columbia Weather Systems MicroServer Improper Restriction of Communication Channel to Intended Endpoints — MicroServer 8.8 High 2026-01-07
CVE-2025-33176 NVIDIA RunAI 安全漏洞 — RunAI 6.2 Medium 2025-11-04
CVE-2025-12357 International Standards Organization ISO 15118-2 Improper Restriction of Communication Channel to Intended Endpoints — EV Car Chargers 6.3 Medium 2025-10-31
CVE-2025-49734 PowerShell Direct Elevation of Privilege Vulnerability — PowerShell 7.4 7.0 High 2025-09-09
CVE-2025-48807 Windows Hyper-V Remote Code Execution Vulnerability — Windows 10 Version 1607 6.7 Medium 2025-08-12
CVE-2025-35978 Fujitsu UpdateNavi和UpdateNaviInstallService 安全漏洞 — UpdateNavi 7.8AI High AI 2025-06-12
CVE-2025-22251 Fortinet FortiOS 安全漏洞 — FortiOS 3.0 Low 2025-06-10
CVE-2025-20261 Cisco Integrated Management Controller Privilege Escalation Vulnerability — Cisco Unified Computing System (Managed) 8.8 High 2025-06-04
CVE-2025-48999 Dataease Redshift Data Source JDBC Connection Parameters Not Verified Leads to RCE Vulnerability — dataease 7.5AI High AI 2025-06-03
CVE-2025-46566 Dataease redshift JDBC Connection Remote Code Execution — dataease 8.8AI High AI 2025-05-01
CVE-2025-23178 Ribbon Communications - CWE-923: Improper Restriction of Communication Channel to Intended Endpoints — Apollo 9608 7.6 High 2025-04-29
CVE-2025-31144 SIOS Technology Quick Agent 安全漏洞 — Quick Agent V3 9.8 - 2025-04-27
CVE-2024-26013 Fortinet多款产品 安全漏洞 — FortiProxy 7.1 High 2025-04-08
CVE-2025-29986 Dell Common Event Enabler 安全漏洞 — Common Event Enabler 8.3 High 2025-04-08
CVE-2022-43916 IBM App Connect Enterprise Certified Container improper communications restriction — App Connect Enterprise Certified Container 6.8 Medium 2025-01-30
CVE-2024-22315 IBM Fusion improper communication restriction — Fusion 4.0 Medium 2025-01-28
CVE-2024-47490 Junos OS Evolved: ACX 7000 Series: Receipt of specific transit MPLS packets causes resources to be exhausted — Junos OS Evolved 8.2 High 2024-10-11
CVE-2024-43571 Sudo for Windows Spoofing Vulnerability — Windows 11 Version 24H2 5.6 Medium 2024-10-08
CVE-2024-47125 Improper Restriction of Communication Channel to Intended Endpoints in goTenna Pro — Pro 8.1 High 2024-09-26
CVE-2024-39537 Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network — Junos OS Evolved 6.5 Medium 2024-07-11
CVE-2024-6222 In Docker Desktop before v4.29.0 an attacker who has gained access to the Docker Desktop VM through a container breakout can further escape to the host by passing extensions and dashboard related IPC messages — Docker Desktop 7.8AI High AI 2024-07-09
CVE-2024-24974 OpenVPN 安全漏洞 — OpenVPN 2 8.3AI High AI 2024-07-08
CVE-2024-26131 Element Android Intent Redirection — element-android 8.4 High 2024-02-20
CVE-2023-28078 Dell OS10 Networking Switches 安全漏洞 — Dell SmartFabric OS10 9.1 Critical 2024-02-15
CVE-2023-44195 Junos OS Evolved: Packets which are not destined to the router can reach the RE — Junos OS Evolved 5.4 Medium 2023-10-12
CVE-2023-25518 NVIDIA Jetson 安全漏洞 — Jetson AGX Xavier series, Jetson Xavier NX 7.1 High 2023-06-23
CVE-2022-38125 FTP Agent forwards traffic on inactive ports to LinkManager — SiteManager 2.9 Low 2023-04-19
CVE-2023-28971 Paragon Active Assurance: Enabling the timescaledb enables IP forwarding — Paragon Active Assurance 7.2 High 2023-04-17
CVE-2023-29108 IP filter vulnerability in ABAP Platform and SAP Web Dispatcher — ABAP Platform and SAP Web Dispatcher 5.0 Medium 2023-04-11
CVE-2022-2837 CoreDNS 输入验证错误漏洞 — coreDNS 6.1 - 2023-03-03

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.