Common Weakness Enumeration

CWE-494

Allowed

Download of Code Without Integrity Check

Abstraction: Base · Status: Draft

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

317 vulnerabilities reference this CWE, most recent first.

CVE-2025-34212 (GCVE-0-2025-34212)

Vulnerability from cvelistv5 – Published: 2025-09-29 20:36 – Updated: 2026-05-15 11:15
VLAI
Title
Vasion Print (formerly PrinterLogic) Insecure Build Pipeline
Summary
Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to version 22.0.843 and Application prior to version 20.0.1923 (VA/SaaS deployments) possess CI/CD weaknesses: the build pulls an unverified third-party image, downloads the VirtualBox Extension Pack over plain HTTP without signature validation, and grants the jenkins account NOPASSWD for mount/umount. Together these allow supply chain or man-in-the-middle compromise of the build pipeline, injection of malicious firmware, and remote code execution as root on the CI host. This vulnerability has been identified by the vendor as: V-2023-007 — Supply Chain Attack.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 03:55 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
  • CWE-732 - Incorrect Permission Assignment for Critical Resource
Impacted products
Vendor Product Version
Vasion Print Virtual Appliance Host Affected: 0 , < 22.0.843 (semver)
Create a notification for this product.
Vasion Print Application Affected: 0 , < 20.0.1923 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-31355 (GCVE-0-2025-31355)

Vulnerability from cvelistv5 – Published: 2025-08-20 13:09 – Updated: 2025-11-03 19:53
VLAI
Summary
A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-20 13:52 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Impacted products
Vendor Product Version
Tenda AC6 V5.0 Affected: V02.03.01.110
Create a notification for this product.
Show details on NVD website

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CVE-2025-30199 (GCVE-0-2025-30199)

Vulnerability from cvelistv5 – Published: 2025-09-05 17:45 – Updated: 2025-09-08 18:21
VLAI
Title
ECOVACS Vacuum and Base Station accept unsigned firmware
Summary
ECOVACS vacuum robot base stations do not validate firmware updates, so malicious over-the-air updates can be sent to base station via insecure connection between robot and base station.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2025-09-08 18:09 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Date Public
2025-07-09 00:00
Show details on NVD website

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CVE-2025-27593 (GCVE-0-2025-27593)

Vulnerability from cvelistv5 – Published: 2025-03-14 12:46 – Updated: 2025-03-14 13:36
VLAI
Title
RCE due to Device Driver
Summary
The product can be used to distribute malicious code using SDD Device Drivers due to missing download verification checks, leading to code execution on target systems.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-14 13:36 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Assigner
References
Impacted products
Vendor Product Version
SICK AG SICK DL100-2xxxxxxx Affected: all versions (custom)
Create a notification for this product.
Date Public
2025-03-14 12:32
Show details on NVD website

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CVE-2025-15575 (GCVE-0-2025-15575)

Vulnerability from cvelistv5 – Published: 2026-02-12 10:51 – Updated: 2026-02-12 15:13
VLAI
Title
Missing Firmware Authenticity Checks in Solax Power Pocket WiFi models
Summary
The firmware update functionality does not verify the authenticity of the supplied firmware update files. This allows attackers to flash malicious firmware update files on the device. Initial analysis of the firmware update functionality does not show any cryptographic checks (e.g. digital signature checks) on the supplied firmware update files. Furthermore, ESP32 security features such as secure boot are not used.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-12 15:13 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
References
Show details on NVD website

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CVE-2025-15556 (GCVE-0-2025-15556)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:50 – Updated: 2026-03-05 01:29 X_Known Exploited Vulnerability
VLAI
Title
Notepad++ < 8.8.9 WinGUp Updater Lacks Update Integrity Verification
Summary
Notepad++ versions prior to 8.8.9, when using the WinGUp updater, contain an update integrity verification vulnerability where downloaded update metadata and installers are not cryptographically verified. An attacker able to intercept or redirect update traffic can cause the updater to download and execute an attacker-controlled installer, resulting in arbitrary code execution with the privileges of the user.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-13 04:56 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Impacted products
Vendor Product Version
notepad-plus-plus notepad-plus-plus Affected: 0 , < 8.8.9 (semver)
    cpe:2.3:a:notepad_plus_plus:notepad\+\+:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-14265 (GCVE-0-2025-14265)

Vulnerability from cvelistv5 – Published: 2025-12-11 14:21 – Updated: 2026-02-26 16:21
VLAI
Title
Improper server-side validation in ScreenConnect extension framework
Summary
In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation and execution of untrusted or arbitrary extensions by authorized or administrative users. Abuse of this behavior could result in the execution of custom code on the server or unauthorized access to application configuration data. This issue affects only the ScreenConnect server component; host and guest clients are not impacted. ScreenConnect 25.8 introduces enhanced server-side configuration handling and integrity checks to ensure only trusted extensions can be installed.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-12 04:55 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Impacted products
Vendor Product Version
ConnectWise ScreenConnect Affected: All versions prior to 2025.8
Create a notification for this product.
Show details on NVD website

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CVE-2025-11493 (GCVE-0-2025-11493)

Vulnerability from cvelistv5 – Published: 2025-10-16 19:00 – Updated: 2026-02-26 16:57
VLAI
Title
Self-Update Verification Mechanism Process in ConnectWise Automate
Summary
The ConnectWise Automate Agent does not fully verify the authenticity of files downloaded from the server, such as updates, dependencies, and integrations. This creates a risk where an on-path attacker could perform a man-in-the-middle attack and substitute malicious files for legitimate ones by impersonating a legitimate server. This risk is mitigated when HTTPS is enforced and is related to CVE-2025-11492.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-17 03:55 UTC
CWE
  • CWE-494 - Download of Code Without Integrity Check
Impacted products
Vendor Product Version
ConnectWise Automate Affected: All versions prior to 2025.9
Create a notification for this product.
Show details on NVD website

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CVE-2025-11182 (GCVE-0-2025-11182)

Vulnerability from cvelistv5 – Published: 2025-10-02 05:15 – Updated: 2025-10-02 15:54
VLAI
Title
File Download in GTONE ChangeFlow
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Download of Code Without Integrity Check vulnerability in GTONE ChangeFlow allows Path Traversal.This issue affects ChangeFlow: All versions to v9.0.1.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-02 15:28 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-494 - Download of Code Without Integrity Check
Assigner
Impacted products
Vendor Product Version
GTONE ChangeFlow Affected: All versions , ≤ v9.0.1.1 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-10539 (GCVE-0-2025-10539)

Vulnerability from cvelistv5 – Published: 2026-04-28 07:52 – Updated: 2026-04-29 19:32
VLAI
Title
Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App
Summary
Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 14:09 UTC
CWE
  • CWE-295 - Improper certificate validation
  • CWE-296 - Improper following of a certificate's chain of trust
  • CWE-494 - Download of code without integrity check
Impacted products
Vendor Product Version
DeskTime DeskTime Time Tracking App Affected: 0 , < 1.3.674 (semver)
Create a notification for this product.
Show details on NVD website

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          "value": "Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-187",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-187 Malicious Automated Software Update via Redirection"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295 Improper certificate validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-296",
              "description": "CWE-296 Improper following of a certificate\u0027s chain of trust",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-494",
              "description": "CWE-494 Download of code without integrity check",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-28T07:52:23.279Z",
        "orgId": "551230f0-3615-47bd-b7cc-93e92e730bbf",
        "shortName": "SEC-VLab"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://r.sec-consult.com/desktime"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://desktime.com/download"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The vendor provides a patched version v1.3.674 which can be obtained from: https://desktime.com/download\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "The vendor provides a patched version v1.3.674 which can be obtained from: https://desktime.com/download"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Improper TLS Certificate Validation RCE via Malicious Update in DeskTime Time Tracking App",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "551230f0-3615-47bd-b7cc-93e92e730bbf",
    "assignerShortName": "SEC-VLab",
    "cveId": "CVE-2025-10539",
    "datePublished": "2026-04-28T07:52:23.279Z",
    "dateReserved": "2025-09-16T07:39:47.680Z",
    "dateUpdated": "2026-04-29T19:32:10.480Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Mitigation MIT-42
Implementation

Perform proper forward and reverse DNS lookups to detect DNS spoofing.

Mitigation
Architecture and Design Operation
  • Encrypt the code with a reliable encryption scheme before transmitting.
  • This will only be a partial solution, since it will not detect DNS spoofing and it will not prevent your code from being modified on the hosting site.
Mitigation MIT-4
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
  • Speficially, it may be helpful to use tools or frameworks to perform integrity checking on the transmitted code.
  • When providing the code that is to be downloaded, such as for automatic updates of the software, then use cryptographic signatures for the code and modify the download clients to verify the signatures. Ensure that the implementation does not contain CWE-295, CWE-320, CWE-347, and related weaknesses.
  • Use code signing technologies such as Authenticode. See references [REF-454] [REF-455] [REF-456].
Mitigation MIT-17
Architecture and Design Operation

Strategy: Environment Hardening

Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.

Mitigation MIT-22
Architecture and Design Operation

Strategy: Sandbox or Jail

  • Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-184: Software Integrity Attack

An attacker initiates a series of events designed to cause a user, program, server, or device to perform actions which undermine the integrity of software code, device data structures, or device firmware, achieving the modification of the target's integrity to achieve an insecure state.

CAPEC-185: Malicious Software Download

An attacker uses deceptive methods to cause a user or an automated process to download and install dangerous code that originates from an attacker controlled source. There are several variations to this strategy of attack.

CAPEC-186: Malicious Software Update

An adversary uses deceptive methods to cause a user or an automated process to download and install dangerous code believed to be a valid update that originates from an adversary controlled source.

CAPEC-187: Malicious Automated Software Update via Redirection

An attacker exploits two layers of weaknesses in server or client software for automated update mechanisms to undermine the integrity of the target code-base. The first weakness involves a failure to properly authenticate a server as a source of update or patch content. This type of weakness typically results from authentication mechanisms which can be defeated, allowing a hostile server to satisfy the criteria that establish a trust relationship. The second weakness is a systemic failure to validate the identity and integrity of code downloaded from a remote location, hence the inability to distinguish malicious code from a legitimate update.

CAPEC-533: Malicious Manual Software Update

An attacker introduces malicious code to the victim's system by altering the payload of a software update, allowing for additional compromise or site disruption at the victim location. These manual, or user-assisted attacks, vary from requiring the user to download and run an executable, to as streamlined as tricking the user to click a URL. Attacks which aim at penetrating a specific network infrastructure often rely upon secondary attack methods to achieve the desired impact. Spamming, for example, is a common method employed as an secondary attack vector. Thus the attacker has in their arsenal a choice of initial attack vectors ranging from traditional SMTP/POP/IMAP spamming and its varieties, to web-application mechanisms which commonly implement both chat and rich HTML messaging within the user interface.

CAPEC-538: Open-Source Library Manipulation

Adversaries implant malicious code in open source software (OSS) libraries to have it widely distributed, as OSS is commonly downloaded by developers and other users to incorporate into software development projects. The adversary can have a particular system in mind to target, or the implantation can be the first stage of follow-on attacks on many systems.

CAPEC-657: Malicious Automated Software Update via Spoofing

An attackers uses identify or content spoofing to trick a client into performing an automated software update from a malicious source. A malicious automated software update that leverages spoofing can include content or identity spoofing as well as protocol spoofing. Content or identity spoofing attacks can trigger updates in software by embedding scripted mechanisms within a malicious web page, which masquerades as a legitimate update source. Scripting mechanisms communicate with software components and trigger updates from locations specified by the attackers' server. The result is the client believing there is a legitimate software update available but instead downloading a malicious update from the attacker.

CAPEC-662: Adversary in the Browser (AiTB)

An adversary exploits security vulnerabilities or inherent functionalities of a web browser, in order to manipulate traffic between two endpoints.

CAPEC-691: Spoof Open-Source Software Metadata

An adversary spoofs open-source software metadata in an attempt to masquerade malicious software as popular, maintained, and trusted.

CAPEC-692: Spoof Version Control System Commit Metadata

An adversary spoofs metadata pertaining to a Version Control System (VCS) (e.g., Git) repository's commits to deceive users into believing that the maliciously provided software is frequently maintained and originates from a trusted source.

CAPEC-693: StarJacking

An adversary spoofs software popularity metadata to deceive users into believing that a maliciously provided package is widely used and originates from a trusted source.

CAPEC-695: Repo Jacking

An adversary takes advantage of the redirect property of directly linked Version Control System (VCS) repositories to trick users into incorporating malicious code into their applications.