Weakness (CWE)
CWE-923: Improper Restriction of Communication Channel to Intended Endpoints
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.
More detail
While this issue frequently involves authentication between network-based clients and servers, other types of communication channels and endpoints can have this weakness.
Source: MITRE CWE-923
38 results · Clear filters · Feed
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Medium 6.7
Windows Setup and Deployment Elevation of Privilege Vulnerability
Improper restriction of communication channel to intended endpoints in Windows Setup and Deployment allows an authorized attacker to elevate privileges locally.
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Medium 5.0
Wheels CLI through 4.1.0 does not verify that the local development server answering its HTTP requests belongs to the c…
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Medium 6.5
Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to…
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Medium 6.0
FTP Passive Data Connection Not Bound to the Authenticated Control Peer
In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the FTP server accepts the first connection to a passive data port without checking that it comes from the client that requested passive mode. An unauthenticated network attacker who connects to …
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Medium 5.3
Missing Firewall Configuration in mH-DEVELOPER
mH-DEVELOPER smart home module does not load any firewall rules at startup. This leaves all listening services, including SSH, HTTP, WebSocket, and Node-RED, fully exposed on the LAN without access control. Any client on the same network can reach every servi…
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Medium 5.7
Warpgate: Web SSH stores a jump host's key against the target's address, so it validates as the target
Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. From 0.25.0 until 0.27.6, the browser SSH path in warpgate-web-ssh/src/manager.rs handles RCEvent::HostKeyUnknown without the presenting hop identity and instead passes ssh_options.host a…
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Medium 6.3
OpenTelemetry-Go: Log gRPC exporter ignores env TLS certs, bypassing mTLS/pinning
OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to version 0.21.0, the exporters/otlp/otlplog/otlploggrpc package loads OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE, OTEL_EXPORTER_OTLP_CERTIFICATE, and related client certificate environment variables…
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Medium 6.3
OpenStack Ironic through 38.0.0 may send a username and password to an unexpected remote host when Image Service is con…
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Medium 6.5
Broker Credential and OAuth Token Disclosure in AWS Labs Amazon MQ MCP Server via Prompt Injection
Improper restriction of intended endpoints in the RabbitMQ broker connection tools of the Amazon MQ MCP Server (awslabs.amazon-mq-mcp-server) before 2.0.24 may allow a remote unauthenticated actor (via prompt injection) to obtain Amazon MQ for RabbitMQ broker…
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Medium 5.8
Printers and Multifunction Printers (MFPs) provided by Ricoh Company, Ltd. do not implement restrictions on SSH port fo…
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Medium 5.8
SurrealDB before 2.3.6 deny-net Bypass via DNS Resolution
SurrealDB before 2.2.6, 2.3.6, and 2.1.8 (and 3.0.0-alpha.7 and earlier) fails to validate DNS-resolved hostnames against --deny-net network access restrictions in its http::* functions. An authenticated user can invoke http::<fn>(<url>) with a hostname that …
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Medium 6.9
A improper restriction of communication channel to intended endpoints vulnerability in Fortinet FortiSIEMWindowsAgent 7…
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Medium 6.5
Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to…
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Medium 5.0
Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat enterprise linux openssh client versions
A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X …
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Medium 5.1
Docker Sandboxes ICMP egress restriction bypass after daemon restart
Docker Sandboxes (sbx) blocks ICMP egress with an authorizer applied only at network-creation time, and does not re-apply it to networks rebuilt from disk when the Docker daemon restarts, so a restart-surviving sandbox forwards ICMP to arbitrary hosts. A work…
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Medium 5.7
Docker Sandboxes network egress allowlist bypass via unfiltered DNS resolution
Docker Sandboxes (sbx) enforces an HTTP/S-only egress allowlist but does not apply it to DNS resolution: the per-network embedded DNS server forwards any queried name to the host resolver whenever the network is internet-connected, without consulting the poli…
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Medium 5.4
Multiple Vulnerabilities in watsonx.data
IBM watsonx.data 2.2 through 2.3.1 IBM Lakehouse does not properly restrict inbound and outbound connections which could allow an attacker to transfer or modify files without restrictions.
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Medium 5.0
Route Services Firewall Bypass
Route Services can be leveraged to send app traffic to network destinations outside of an app's configured egress rules. As a result, a malicious developer with access to Cloudfoundry could configure a route-service that would allow it to send requests to HTT…
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Medium 5.3
Inadequate Pod Communication Restrictions, affects watsonx.data
IBM watsonx.data 2.2 through 2.3 IBM Lakehouse does not properly restrict communication between pods which could allow an attacker to transfer data between pods without restrictions.
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Medium 5.1
Multiple Vulnerabilities in IBM Concert Software
IBM Concert 1.0.0 through 2.2.0 could allow a privileged user to perform unauthorized actions due to improper restriction of channel communication to intended endpoints.
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Medium 5.9
VMware Workstation/Fusion NAT vulnerability
VMWare Workstation and Fusion contain a logic flaw in the management of network packets. Known attack vectors: A malicious actor with administrative privileges on a Guest VM may be able to interrupt or intercept network connections of other Guest VM's. Reso…
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Medium 6.2
NVIDIA RunAI for all platforms contains a vulnerability where a user could cause an improper restriction of communicati…
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Medium 6.3
International Standards Organization ISO 15118-2 Improper Restriction of Communication Channel to Intended Endpoints
By manipulating the Signal Level Attenuation Characterization (SLAC) protocol with spoofed measurements, an attacker can stage a man-in-the-middle attack between an electric vehicle and chargers that comply with the ISO 15118-2 part. This vulnerability may be…
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Medium 6.7
Windows Hyper-V Remote Code Execution Vulnerability
Improper restriction of communication channel to intended endpoints in Windows Hyper-V allows an authorized attacker to execute code locally.
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Medium 6.8CVE-2025-48999 EPSS 11%
Dataease Redshift Data Source JDBC Connection Parameters Not Verified Leads to RCE Vulnerability
DataEase is an open source business intelligence and data visualization tool. A bypass of CVE-2025-46566's patch exists in versions prior to 2.10.10. In a malicious payload, `getUrlType()` retrieves `hostName`. Since the judgment statement returns false, it w…
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Medium 6.8
Dataease redshift JDBC Connection Remote Code Execution
DataEase is an open-source BI tool alternative to Tableau. Prior to version 2.10.9, authenticated users can complete RCE through the backend JDBC link. This issue has been patched in version 2.10.9.
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Medium 4.0
An issue was discovered on goTenna v1 devices with app 5.5.3 and firmware 0.25.5. All packets sent over RF are also sen…
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Medium 5.8
Quick Agent V3 and Quick Agent V2 contain an issue with improper restriction of communication channel to intended endpo…
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Medium 6.8
IBM App Connect Enterprise Certified Container improper communications restriction
IBM App Connect Enterprise Certified Container 7.1, 7.2, 8.0, 8.1, 8.2, 9.0, 9.1, 9.2, 10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 11.4, 11.5, 11.6, 12.0, 12.1, 12.2, 12.3, 12.4, 12.5, 12.6, and 12.7 Pods do not restrict network egress for Pods that are used for inte…
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Medium 4.0
IBM Fusion improper communication restriction
IBM Fusion and IBM Fusion HCI 2.3.0 through 2.8.2 is vulnerable to insecure network connection by allowing an attacker who gains access to a Fusion container to establish an external network connection.
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Medium 5.6
Sudo for Windows Spoofing Vulnerability
Sudo for Windows Spoofing Vulnerability
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Medium 6.5
Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to…
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Medium 6.3
Improper restriction of communication channel to intended endpoints issue exists in Ricoh Streamline NX PC Client ver.3…
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Medium 5.4
Junos OS Evolved: Packets which are not destined to the router can reach the RE
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the NetworkStack agent daemon (nsagentd) of Juniper Networks Junos OS Evolved allows an unauthenticated network based attacker to cause limited impact to the availability …
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Medium 5.0
IP filter vulnerability in ABAP Platform and SAP Web Dispatcher
The IP filter in ABAP Platform and SAP Web Dispatcher - versions WEBDISP 7.85, 7.89, KERNEL 7.85, 7.89, 7.91, may be vulnerable by erroneous IP netmask handling. This may enable access to backend applications from unwanted sources.
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Medium 6.1
coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints
A flaw was found in coreDNS. This flaw allows a malicious user to redirect traffic intended for external top-level domains (TLD) to a pod they control by creating projects and namespaces that match the TLD.
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Medium 4.4
coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints
A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of <service>.<namespace>.svc.
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Medium 6.3
Action Commands (run/shell/exec) Against Library URIs Ignore Configured Remote Endpoint
Singularity is an open source container platform. In verions 3.7.2 and 3.7.3, Dde to incorrect use of a default URL, `singularity` action commands (`run`/`shell`/`exec`) specifying a container using a `library://` URI will always attempt to retrieve the conta…