Common Weakness Enumeration

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2026-4027 (GCVE-0-2026-4027)

Vulnerability from cvelistv5 – Published: 2026-06-19 13:15 – Updated: 2026-06-19 13:15

Title

FlexNet Manager Suite Attachment File Disclosure

Summary

A security vulnerability has been identified in FlexNet Manager Suite 2025 R1 and R2 that could allow unauthorized access to attachment files due to insufficient access control.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-284 - Improper Access Control

Assigner

flexera

References

1 reference

URL	Tags
https://community.flexera.com/s/feed/0D5PL00000ssjNi0AI	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Flexera	FlexNet Manager Suite	Affected: 2025 R1 , ≤ 2025 R2 (custom) Unaffected: 2026 R1 (custom)

Credits

Sopra Steria

Show details on NVD website

JSON

To clipboard

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CVE-2026-40300 (GCVE-0-2026-40300)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:33 – Updated: 2026-05-13 12:44

Title

Zulip: Message edit history visible in "moves only" policy through /api/v1/messages/{id}/history

Summary

Zulip is an open-source team collaboration tool. Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This vulnerability is fixed in 12.0.

Severity

6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/zulip/zulip/security/advisorie…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
zulip	zulip	Affected: < 12.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-40304 (GCVE-0-2026-40304)

Vulnerability from cvelistv5 – Published: 2026-04-17 21:04 – Updated: 2026-04-20 14:57

Title

zrok's broken ownership check in DELETE /api/v2/unaccess allows non-admin to delete global frontend records

Summary

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, the unaccess handler (controller/unaccess.go) contains a logical error in its ownership guard: when a frontend record has environment_id = NULL (the marker for admin-created global frontends), the condition short-circuits to false and allows the deletion to proceed without any ownership verification. A non-admin user who knows a global frontend token can call DELETE /api/v2/unaccess with any of their own environment IDs and permanently delete the global frontend, taking down all public shares routed through it. Version 2.0.1 patches the issue.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control
CWE-863 - Incorrect Authorization

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/openziti/zrok/security/advisor…	x_refsource_CONFIRM
https://github.com/openziti/zrok/releases/tag/v2.0.1	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
openziti	zrok	Affected: < 2.0.1

Show details on NVD website

JSON

To clipboard

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CVE-2026-40381 (GCVE-0-2026-40381)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:59 – Updated: 2026-06-19 16:13

Title

Azure Connected Machine Agent Elevation of Privilege Vulnerability

Summary

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
Microsoft	Azure Connected Machine Agent	Affected: 1.0.0 , < 1.63 (custom)

Date Public

2026-05-12 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2026-40420 (GCVE-0-2026-40420)

Vulnerability from cvelistv5 – Published: 2026-05-12 16:59 – Updated: 2026-06-19 16:13

Title

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Summary

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

4 products

Vendor	Product	Version
Microsoft	Microsoft 365 Apps for Enterprise	Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office 2019	Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office LTSC 2021	Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Microsoft	Microsoft Office LTSC 2024	Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)

Date Public

2026-05-12 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2026-40474 (GCVE-0-2026-40474)

Vulnerability from cvelistv5 – Published: 2026-04-17 21:39 – Updated: 2026-04-20 16:08

Title

wger has Broken Access Control in the Global Gym Configuration Update Endpoint

Summary

wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the GymConfigUpdateView declares permission_required = 'config.change_gymconfig' but inherits WgerFormMixin instead of WgerPermissionMixin, so the permission is never enforced at runtime. Since GymConfig is an ownerless singleton, any authenticated user can modify the global gym configuration, triggering save() side effects that bulk-update user profile gym assignments — a vertical privilege escalation to installation-wide configuration control. This issue is fixed in version 2.5.

Severity

7.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control
CWE-862 - Missing Authorization

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/wger-project/wger/security/adv…	x_refsource_CONFIRM
https://github.com/wger-project/wger/commit/47ee5…	x_refsource_MISC
https://github.com/wger-project/wger/releases/tag/2.5	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
wger-project	wger	Affected: < 2.5

Show details on NVD website

JSON

To clipboard

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CVE-2026-40498 (GCVE-0-2026-40498)

Vulnerability from cvelistv5 – Published: 2026-04-21 15:01 – Updated: 2026-04-21 19:20

Title

FreeScout has Authentication Bypass and Information Disclosure in SystemController via /system/cron

Summary

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can access diagnostic and system tools that should be restricted to administrators. The /system/cron endpoint relies on a static MD5 hash derived from the APP_KEY, which is exposed in the response and logs. Accessing these endpoints reveals sensitive server information (Full Path Disclosure), process IDs, and allows for Resource Exhaustion (DoS) by triggering heavy background tasks repeatedly without any rate limiting. The cron hash is generated using md5(APP_KEY . 'web_cron_hash'). Since this hash is often transmitted via GET requests, it is susceptible to exposure in server logs, browser history, and proxy logs. Furthermore, the lack of rate limiting on these endpoints allows for automated resource exhaustion (DoS) and brute-force attempts. Version 1.8.213 fixes the issue.

Severity

8.9 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
CWE-284 - Improper Access Control
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/freescout-help-desk/freescout/…	x_refsource_CONFIRM
https://github.com/freescout-help-desk/freescout/…	x_refsource_MISC
https://github.com/freescout-help-desk/freescout/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
freescout-help-desk	freescout	Affected: < 1.8.213

Show details on NVD website

JSON

To clipboard

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CVE-2026-40569 (GCVE-0-2026-40569)

Vulnerability from cvelistv5 – Published: 2026-04-21 16:46 – Updated: 2026-04-21 17:45

Title

FreeScout's Mass Assignment in Mailbox Connection Settings Enables Silent Email Exfiltration

Summary

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout (`connectionIncomingSave()` at `app/Http/Controllers/MailboxesController.php:468` and `connectionOutgoingSave()` at line 398). Both methods pass `$request->all()` directly to `$mailbox->fill()` without any field allowlisting, allowing an authenticated admin to overwrite any of the 32 fields in the Mailbox model's `$fillable` array -- including security-critical fields that do not belong to the connection settings form, such as `auto_bcc`, `out_server`, `out_password`, `signature`, `auto_reply_enabled`, and `auto_reply_message`. Validation in `connectionIncomingSave()` is entirely commented out, and the validator in `connectionOutgoingSave()` only checks value formats for SMTP fields without stripping extra parameters. An authenticated admin user can exploit this by appending hidden parameters (e.g., `auto_bcc=attacker@evil.com`) to a legitimate connection settings save request. Because the `auto_bcc` field is not displayed on the connection settings form (it only appears on the general mailbox settings page), the injection is invisible to other administrators reviewing connection settings. Once set, every outgoing email from the affected mailbox is silently BCC'd to the attacker via the `SendReplyToCustomer` job. The same mechanism allows redirecting outgoing SMTP through an attacker-controlled server, injecting tracking pixels or phishing links into email signatures, and enabling attacker-crafted auto-replies -- all from a single HTTP request. This is particularly dangerous in multi-admin environments where one admin can silently surveil mailboxes managed by others, and when an admin session is compromised via a separate vulnerability (e.g., XSS), the attacker gains persistent email exfiltration that survives session expiry. Version 1.8.213 fixes the issue.

Severity

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control
CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/freescout-help-desk/freescout/…	x_refsource_CONFIRM
https://github.com/freescout-help-desk/freescout/…	x_refsource_MISC
https://github.com/freescout-help-desk/freescout/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
freescout-help-desk	freescout	Affected: < 1.8.213

Show details on NVD website

JSON

To clipboard

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        {
          "lang": "en",
          "value": "FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout (`connectionIncomingSave()` at `app/Http/Controllers/MailboxesController.php:468` and `connectionOutgoingSave()` at line 398). Both methods pass `$request-\u003eall()` directly to `$mailbox-\u003efill()` without any field allowlisting, allowing an authenticated admin to overwrite any of the 32 fields in the Mailbox model\u0027s `$fillable` array -- including security-critical fields that do not belong to the connection settings form, such as `auto_bcc`, `out_server`, `out_password`, `signature`, `auto_reply_enabled`, and `auto_reply_message`. Validation in `connectionIncomingSave()` is entirely commented out, and the validator in `connectionOutgoingSave()` only checks value formats for SMTP fields without stripping extra parameters. An authenticated admin user can exploit this by appending hidden parameters (e.g., `auto_bcc=attacker@evil.com`) to a legitimate connection settings save request. Because the `auto_bcc` field is not displayed on the connection settings form (it only appears on the general mailbox settings page), the injection is invisible to other administrators reviewing connection settings. Once set, every outgoing email from the affected mailbox is silently BCC\u0027d to the attacker via the `SendReplyToCustomer` job. The same mechanism allows redirecting outgoing SMTP through an attacker-controlled server, injecting tracking pixels or phishing links into email signatures, and enabling attacker-crafted auto-replies -- all from a single HTTP request. This is particularly dangerous in multi-admin environments where one admin can silently surveil mailboxes managed by others, and when an admin session is compromised via a separate vulnerability (e.g., XSS), the attacker gains persistent email exfiltration that survives session expiry. Version 1.8.213 fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
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          "descriptions": [
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              "cweId": "CWE-915",
              "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes",
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              "type": "CWE"
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        "dateUpdated": "2026-04-21T16:46:15.796Z",
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      },
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          "name": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-hmqm-33wp-858j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-hmqm-33wp-858j"
        },
        {
          "name": "https://github.com/freescout-help-desk/freescout/commit/f45b9105d43b0352c08fcca154e8ae6177c3d860",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/freescout-help-desk/freescout/commit/f45b9105d43b0352c08fcca154e8ae6177c3d860"
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          "name": "https://github.com/freescout-help-desk/freescout/releases/tag/1.8.213",
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      ],
      "source": {
        "advisory": "GHSA-hmqm-33wp-858j",
        "discovery": "UNKNOWN"
      },
      "title": "FreeScout\u0027s Mass Assignment in Mailbox Connection Settings Enables Silent Email Exfiltration"
    }
  },
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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CVE-2026-40595 (GCVE-0-2026-40595)

Vulnerability from cvelistv5 – Published: 2026-04-30 18:21 – Updated: 2026-04-30 19:02

Title

Chartbrew: Incorrect Access Control in public chart and export routes via missing onReport and SharePolicy checks

Summary

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In version 4.9.0, Chartbrew exposes public chart retrieval and export routes that only verify project-level public access and, for exports, a team-level export toggle. The routes do not verify whether the target chart is actually allowed on the public report or whether the governing SharePolicy permits public access. An unauthenticated attacker who knows a chart identifier in a public project can read or export chart data for charts that were intentionally hidden from the report. This issue has been patched in version 5.0.0.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/chartbrew/chartbrew/security/a…	x_refsource_CONFIRM
https://github.com/chartbrew/chartbrew/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
chartbrew	chartbrew	Affected: = 4.9.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-40603 (GCVE-0-2026-40603)

Vulnerability from cvelistv5 – Published: 2026-04-30 18:23 – Updated: 2026-04-30 19:04

Title

Chartbrew: Incorrect Access Control in /api/project/dashboard/:brewName via same-team override

Summary

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In version 4.9.0, Chartbrew exposes a legacy dashboard route that returns a project's report data to any authenticated member of the same team, even when that user does not have access to the specific project. The route bypasses project-level authorization and returns the raw project object. As a result, a low-privileged same-team user can read another project's dashboard data and recover the project's stored report password from the response. This issue has been patched in version 5.0.0.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/chartbrew/chartbrew/security/a…	x_refsource_CONFIRM
https://github.com/chartbrew/chartbrew/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
chartbrew	chartbrew	Affected: = 4.9.0

Show details on NVD website

JSON

To clipboard

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Mitigation ID: MIT-1

Phases: Architecture and Design, Operation

Description:

Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.

Mitigation ID: MIT-46

Phase: Architecture and Design

Strategy: Separation of Privilege

Description:

Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

CAPEC-19: Embedding Scripts within Scripts

An adversary leverages the capability to execute their own script by embedding it within other scripts that the target software is likely to execute due to programs' vulnerabilities that are brought on by allowing remote hosts to execute scripts.

CAPEC-441: Malicious Logic Insertion

An adversary installs or adds malicious logic (also known as malware) into a seemingly benign component of a fielded system. This logic is often hidden from the user of the system and works behind the scenes to achieve negative impacts. With the proliferation of mass digital storage and inexpensive multimedia devices, Bluetooth and 802.11 support, new attack vectors for spreading malware are emerging for things we once thought of as innocuous greeting cards, picture frames, or digital projectors. This pattern of attack focuses on systems already fielded and used in operation as opposed to systems and their components that are still under development and part of the supply chain.

CAPEC-478: Modification of Windows Service Configuration

An adversary exploits a weakness in access control to modify the execution parameters of a Windows service. The goal of this attack is to execute a malicious binary in place of an existing service.

CAPEC-479: Malicious Root Certificate

An adversary exploits a weakness in authorization and installs a new root certificate on a compromised system. Certificates are commonly used for establishing secure TLS/SSL communications within a web browser. When a user attempts to browse a website that presents a certificate that is not trusted an error message will be displayed to warn the user of the security risk. Depending on the security settings, the browser may not allow the user to establish a connection to the website. Adversaries have used this technique to avoid security warnings prompting users when compromised systems connect over HTTPS to adversary controlled web servers that spoof legitimate websites in order to collect login credentials.

CAPEC-502: Intent Spoof

An adversary, through a previously installed malicious application, issues an intent directed toward a specific trusted application's component in an attempt to achieve a variety of different objectives including modification of data, information disclosure, and data injection. Components that have been unintentionally exported and made public are subject to this type of an attack. If the component trusts the intent's action without verififcation, then the target application performs the functionality at the adversary's request, helping the adversary achieve the desired negative technical impact.

CAPEC-503: WebView Exposure

An adversary, through a malicious web page, accesses application specific functionality by leveraging interfaces registered through WebView's addJavascriptInterface API. Once an interface is registered to WebView through addJavascriptInterface, it becomes global and all pages loaded in the WebView can call this interface.

CAPEC-536: Data Injected During Configuration

An attacker with access to data files and processes on a victim's system injects malicious data into critical operational data during configuration or recalibration, causing the victim's system to perform in a suboptimal manner that benefits the adversary.

CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment

An adversary obtains unauthorized information due to insecure or incomplete data deletion in a multi-tenant environment. If a cloud provider fails to completely delete storage and data from former cloud tenants' systems/resources, once these resources are allocated to new, potentially malicious tenants, the latter can probe the provided resources for sensitive information still there.

CAPEC-550: Install New Service

When an operating system starts, it also starts programs called services or daemons. Adversaries may install a new service which will be executed at startup (on a Windows system, by modifying the registry). The service name may be disguised by using a name from a related operating system or benign software. Services are usually run with elevated privileges.

CAPEC-551: Modify Existing Service

When an operating system starts, it also starts programs called services or daemons. Modifying existing services may break existing services or may enable services that are disabled/not commonly used.

CAPEC-552: Install Rootkit

An adversary exploits a weakness in authentication to install malware that alters the functionality and information provide by targeted operating system API calls. Often referred to as rootkits, it is often used to hide the presence of programs, files, network connections, services, drivers, and other system components.

CAPEC-556: Replace File Extension Handlers

When a file is opened, its file handler is checked to determine which program opens the file. File handlers are configuration properties of many operating systems. Applications can modify the file handler for a given file extension to call an arbitrary program when a file with the given extension is opened.

CAPEC-558: Replace Trusted Executable

An adversary exploits weaknesses in privilege management or access control to replace a trusted executable with a malicious version and enable the execution of malware when that trusted executable is called.

CAPEC-562: Modify Shared File

An adversary manipulates the files in a shared location by adding malicious programs, scripts, or exploit code to valid content. Once a user opens the shared content, the tainted content is executed.

CAPEC-563: Add Malicious File to Shared Webroot

An adversaries may add malicious content to a website through the open file share and then browse to that content with a web browser to cause the server to execute the content. The malicious content will typically run under the context and permissions of the web server process, often resulting in local system or administrative privileges depending on how the web server is configured.

CAPEC-564: Run Software at Logon

Operating system allows logon scripts to be run whenever a specific user or users logon to a system. If adversaries can access these scripts, they may insert additional code into the logon script. This code can allow them to maintain persistence or move laterally within an enclave because it is executed every time the affected user or users logon to a computer. Modifying logon scripts can effectively bypass workstation and enclave firewalls. Depending on the access configuration of the logon scripts, either local credentials or a remote administrative account may be necessary.

CAPEC-578: Disable Security Software

An adversary exploits a weakness in access control to disable security tools so that detection does not occur. This can take the form of killing processes, deleting registry keys so that tools do not start at run time, deleting log files, or other methods.

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