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Common Weakness Enumeration

CWE-940

Allowed

Improper Verification of Source of a Communication Channel

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin.

102 vulnerabilities reference this CWE, most recent first.

CVE-2023-41094 (GCVE-0-2023-41094)

Vulnerability from cvelistv5 – Published: 2023-10-04 20:01 – Updated: 2024-09-26 21:39
VLAI
Title
Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet
Summary
TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet 7.1.x from 7.1.3 through 7.1.5; 7.2.x from 7.2.0 through 7.2.3; Version 7.3 and later are unaffected
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-19 19:10 UTC
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
Silicon Labs Ember ZNet Affected: 7.1.3 , ≤ 7.1.5 (7.1.x)
Affected: 7.2.0 , ≤ 7.2.3 (7.2.x)
Unaffected: 7.3.0
Create a notification for this product.
Date Public
2023-09-22 20:32
Show details on NVD website
To clipboard 

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CVE-2023-3663 (GCVE-0-2023-3663)

Vulnerability from cvelistv5 – Published: 2023-08-03 10:55 – Updated: 2025-02-27 21:11
VLAI
Title
CODESYS: Missing integrity check in CODESYS Development System
Summary
In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-26 21:54 UTC
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
CODESYS CODESYS Development System Affected: 3.5.11.20 , < 3.5.19.20 (semver)
Create a notification for this product.
Date Public
2023-08-03 10:30
Show details on NVD website
To clipboard 

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CVE-2022-4848 (GCVE-0-2022-4848)

Vulnerability from cvelistv5 – Published: 2022-12-29 00:00 – Updated: 2025-04-09 15:45
VLAI
Title
Improper Verification of Source of a Communication Channel in usememos/memos
Summary
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
Severity
8.6 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-09 15:38 UTC
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
usememos usememos/memos Affected: unspecified , < 0.9.1 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-4800 (GCVE-0-2022-4800)

Vulnerability from cvelistv5 – Published: 2022-12-28 00:00 – Updated: 2025-04-10 17:59
VLAI
Title
Improper Verification of Source of a Communication Channel in usememos/memos
Summary
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
Severity
8.6 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-09 15:23 UTC
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
usememos usememos/memos Affected: unspecified , < 0.9.1 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-41038 (GCVE-0-2021-41038)

Vulnerability from cvelistv5 – Published: 2021-11-10 17:05 – Updated: 2024-08-04 02:59
VLAI
Summary
In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage().
Severity
No CVSS data available.
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
The Eclipse Foundation @theia/plugin-ext Affected: unspecified , < 1.18.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2019-25613 (GCVE-0-2019-25613)

Vulnerability from cvelistv5 – Published: 2026-03-22 13:38 – Updated: 2026-03-23 16:15
VLAI
Title
Easy Chat Server 3.1 Denial of Service via message Parameter
Summary
Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-23 16:15 UTC
CWE
  • CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
Impacted products
Vendor Product Version
Echatserver Easy Chat Affected: 3.1
    cpe:2.3:a:echatserver:easy_chat_server:3.1:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2019-05-07 00:00
Credits
Miguel Mendez Z
Show details on NVD website
To clipboard 

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GHSA-23J7-QM67-668G

Vulnerability from github – Published: 2026-02-19 18:31 – Updated: 2026-02-19 18:31
VLAI
Details

Dell PowerProtect Data Manager, version(s) prior to 19.22, contain(s) an Improper Verification of Source of a Communication Channel vulnerability in the REST API. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass.

Severity
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Show details on source website
To clipboard 

{
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  "aliases": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-19T09:16:11Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-23j7-qm67-668g",
  "modified": "2026-02-19T18:31:51Z",
  "published": "2026-02-19T18:31:51Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22269"
    },
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      "type": "WEB",
      "url": "https://www.dell.com/support/kbdoc/en-us/000429778/dsa-2026-046-security-update-for-dell-powerprotect-data-manager-multiple-vulnerabilities"
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  ],
  "schema_version": "1.4.0",
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      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2HQW-MCX8-2828

Vulnerability from github – Published: 2025-07-08 03:31 – Updated: 2025-07-08 03:31
VLAI
Details

The widely used component that establishes outbound TLS connections in SAP NetWeaver Application Server Java does not reliably match the hostname that is used for the connection against the wildcard hostname defined in the received certificate of remote TLS server. This might lead to the outbound connection being established to a possibly malicious remote TLS server and hence disclose information. Integrity and Availability are not impacted.

Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Show details on source website
To clipboard 

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    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-08T01:15:24Z",
    "severity": "LOW"
  },
  "details": "The widely used component that establishes outbound TLS connections in SAP NetWeaver Application Server Java does not reliably match the hostname that is used for the connection against the wildcard hostname defined in the received certificate of remote TLS server. This might lead to the outbound connection being established to a possibly malicious remote TLS server and hence disclose information. Integrity and Availability are not impacted.",
  "id": "GHSA-2hqw-mcx8-2828",
  "modified": "2025-07-08T03:31:01Z",
  "published": "2025-07-08T03:31:01Z",
  "references": [
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      "url": "https://me.sap.com/notes/3557179"
    },
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      "type": "WEB",
      "url": "https://url.sap/sapsecuritypatchday"
    }
  ],
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    }
  ]
}

GHSA-2JRG-M6QW-2X74

Vulnerability from github – Published: 2024-10-17 15:31 – Updated: 2024-10-17 15:31
VLAI
Details

In JetBrains YouTrack before 2024.3.47197 insecure plugin iframe allowed arbitrary JavaScript execution and unauthorized API requests

Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Show details on source website
To clipboard 

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  },
  "details": "In JetBrains YouTrack before 2024.3.47197 insecure plugin iframe allowed arbitrary JavaScript execution and unauthorized API requests",
  "id": "GHSA-2jrg-m6qw-2x74",
  "modified": "2024-10-17T15:31:08Z",
  "published": "2024-10-17T15:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49579"
    },
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}

GHSA-3FCC-QFQW-WQR5

Vulnerability from github – Published: 2025-01-15 09:30 – Updated: 2026-04-20 18:31
VLAI
Details

A ZigBee coordinator, router, or end device may change their node ID when an unsolicited encrypted rejoin response is received, this change in node ID causes Denial of Service (DoS). To recover from this DoS, the network must be re-established

Severity
5.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
Show details on source website
To clipboard 

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    ],
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    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-15T08:15:26Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-3fcc-qfqw-wqr5",
  "modified": "2026-04-20T18:31:42Z",
  "published": "2025-01-15T09:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7322"
    },
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      "url": "https://community.silabs.com/068Vm00000I7ri2"
    }
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Mitigation
Architecture and Design
  • Use a mechanism that can validate the identity of the source, such as a certificate, and validate the integrity of data to ensure that it cannot be modified in transit using an Adversary-in-the-Middle (AITM) attack.
  • When designing functionality of actions in the URL scheme, consider whether the action should be accessible to all mobile applications, or if an allowlist of applications to interface with is appropriate.
CAPEC-500: WebView Injection

An adversary, through a previously installed malicious application, injects code into the context of a web page displayed by a WebView component. Through the injected code, an adversary is able to manipulate the DOM tree and cookies of the page, expose sensitive information, and can launch attacks against the web application from within the web page.

CAPEC-594: Traffic Injection

An adversary injects traffic into the target's network connection. The adversary is therefore able to degrade or disrupt the connection, and potentially modify the content. This is not a flooding attack, as the adversary is not focusing on exhausting resources. Instead, the adversary is crafting a specific input to affect the system in a particular way.

CAPEC-595: Connection Reset

In this attack pattern, an adversary injects a connection reset packet to one or both ends of a target's connection. The attacker is therefore able to have the target and/or the destination server sever the connection without having to directly filter the traffic between them.

CAPEC-596: TCP RST Injection

An adversary injects one or more TCP RST packets to a target after the target has made a HTTP GET request. The goal of this attack is to have the target and/or destination web server terminate the TCP connection.

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