Common Weakness Enumeration

CWE-306

Allowed

Missing Authentication for Critical Function

Abstraction: Base · Status: Draft

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

3476 vulnerabilities reference this CWE, most recent first.

CVE-2025-22252 (GCVE-0-2025-22252)

Vulnerability from cvelistv5 – Published: 2025-05-28 07:55 – Updated: 2026-02-26 18:27
VLAI
Summary
A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4.4 through 7.4.6 and version 7.6.0 may allow an attacker with knowledge of an existing admin account to access the device as a valid admin via an authentication bypass.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Escalation of privilege
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiProxy Affected: 7.6.0 , ≤ 7.6.1 (semver)
Create a notification for this product.
Fortinet FortiSwitchManager Affected: 7.2.5
Create a notification for this product.
Fortinet FortiOS Affected: 7.6.0
Affected: 7.4.4 , ≤ 7.4.6 (semver)
    cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-21623 (GCVE-0-2025-21623)

Vulnerability from cvelistv5 – Published: 2025-01-07 15:43 – Updated: 2025-01-07 17:04
VLAI
Title
ClipBucket V5 Unauthenticated Template Directory Update to Denial-of-Service
Summary
ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 238, ClipBucket V5 allows unauthenticated attackers to change the template directory via a directory traversal, which results in a denial of service.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
MacWarrior clipbucket-v5 Affected: < 5.5.1 - 238
Create a notification for this product.
Show details on NVD website

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CVE-2025-21355 (GCVE-0-2025-21355)

Vulnerability from cvelistv5 – Published: 2025-02-19 22:18 – Updated: 2026-02-13 19:44 Exclusively Hosted Service
VLAI
Title
Microsoft Bing Remote Code Execution Vulnerability
Summary
Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a network
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Date Public
2025-02-19 08:00
Show details on NVD website

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CVE-2025-21198 (GCVE-0-2025-21198)

Vulnerability from cvelistv5 – Published: 2025-02-11 17:58 – Updated: 2026-02-26 19:08
VLAI
Title
Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
Summary
Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft HPC Pack 2016 Affected: 1.0.0 , < 2016.3 (custom)
Create a notification for this product.
Microsoft Microsoft HPC Pack 2019 Affected: 1.0.0 , < 6.3.8328.0 (custom)
Create a notification for this product.
Date Public
2025-02-11 08:00
Show details on NVD website

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CVE-2025-20702 (GCVE-0-2025-20702)

Vulnerability from cvelistv5 – Published: 2025-08-04 06:20 – Updated: 2026-02-26 17:50
VLAI
Summary
In the Airoha Bluetooth audio SDK, there is a possible unauthorized access to the RACE protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series, AB1627 Affected: Airoha IoT SDK for BT audio v5.5.0 and earlier
Affected: Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier
Create a notification for this product.
Show details on NVD website

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        },
        "title": "CISA ADP Vulnrichment"
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CVE-2025-20700 (GCVE-0-2025-20700)

Vulnerability from cvelistv5 – Published: 2025-08-04 06:19 – Updated: 2026-02-26 17:50
VLAI
Summary
In the Airoha Bluetooth audio SDK, there is a possible permission bypass that allows access critical data of RACE protocol through Bluetooth LE GATT service. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series, AB1627 Affected: Airoha IoT SDK for BT audio v5.5.0 and earlier
Affected: Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier
Create a notification for this product.
Show details on NVD website

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CVE-2025-20358 (GCVE-0-2025-20358)

Vulnerability from cvelistv5 – Published: 2025-11-05 16:31 – Updated: 2026-02-26 17:47
VLAI
Title
Cisco Unified Contact Center Express Editor Authentication Bypass Vulnerability
Summary
A vulnerability in the Contact Center Express (CCX) Editor application of Cisco Unified CCX could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative permissions pertaining to script creation and execution. This vulnerability is due to improper authentication mechanisms in the communication between the CCX Editor and an affected Unified CCX server. An attacker could exploit this vulnerability by redirecting the authentication flow to a malicious server and tricking the CCX Editor into believing the authentication was successful. A successful exploit could allow the attacker to create and execute arbitrary scripts on the underlying operating system of an affected Unified CCX server, as an internal non-root user account.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Cisco Cisco Unified Contact Center Express Affected: 10.5(1)SU1
Affected: 10.6(1)
Affected: 11.6(1)
Affected: 10.6(1)SU1
Affected: 10.6(1)SU3
Affected: 11.6(2)
Affected: 12.0(1)
Affected: 11.0(1)SU1
Affected: 11.5(1)SU1
Affected: 10.5(1)
Affected: 12.5(1)
Affected: 12.5(1)SU1
Affected: 12.5(1)SU2
Affected: 12.5(1)SU3
Affected: 12.5(1)_SU03_ES01
Affected: 12.5(1)_SU03_ES02
Affected: 12.5(1)_SU02_ES03
Affected: 12.5(1)_SU02_ES04
Affected: 12.5(1)_SU02_ES02
Affected: 12.5(1)_SU01_ES02
Affected: 12.5(1)_SU01_ES03
Affected: 12.5(1)_SU02_ES01
Affected: 11.6(2)ES07
Affected: 11.6(2)ES08
Affected: 12.5(1)_SU01_ES01
Affected: 12.0(1)ES04
Affected: 12.5(1)ES02
Affected: 12.5(1)ES03
Affected: 11.6(2)ES06
Affected: 12.5(1)ES01
Affected: 12.0(1)ES03
Affected: 12.0(1)ES01
Affected: 11.6(2)ES05
Affected: 12.0(1)ES02
Affected: 11.6(2)ES04
Affected: 11.6(2)ES03
Affected: 11.6(2)ES02
Affected: 11.6(2)ES01
Affected: 10.6(1)SU3ES03
Affected: 11.0(1)SU1ES03
Affected: 10.6(1)SU3ES01
Affected: 10.5(1)SU1ES10
Affected: 11.5(1)SU1ES03
Affected: 11.6(1)ES02
Affected: 11.5(1)ES01
Affected: 10.6(1)SU2
Affected: 10.6(1)SU2ES04
Affected: 11.6(1)ES01
Affected: 10.6(1)SU3ES02
Affected: 11.5(1)SU1ES02
Affected: 11.5(1)SU1ES01
Affected: 11.0(1)SU1ES02
Affected: 12.5(1)_SU03_ES03
Affected: 12.5(1)_SU03_ES04
Affected: 12.5(1)_SU03_ES05
Affected: UCCX 15.0.1
Affected: 12.5(1)_SU03_ES06
Create a notification for this product.
Show details on NVD website

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CVE-2025-20210 (GCVE-0-2025-20210)

Vulnerability from cvelistv5 – Published: 2025-05-07 17:16 – Updated: 2025-05-07 19:48
VLAI
Title
Cisco Catalyst Center Unprotected API Endpoint
Summary
A vulnerability in the management API of Cisco Catalyst Center, formerly Cisco DNA Center, could allow an unauthenticated, remote attacker to read and modify the outgoing proxy configuration settings. This vulnerability is due to the lack of authentication in an API endpoint. An attacker could exploit this vulnerability by sending a request to the affected API of a Catalyst Center device. A successful exploit could allow the attacker to view or modify the outgoing proxy configuration, which could disrupt internet traffic from Cisco Catalyst Center or may allow the attacker to intercept outbound internet traffic.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Cisco Cisco Digital Network Architecture Center (DNA Center) Affected: 2.1.1.0
Affected: 2.1.1.3
Affected: 2.1.2.0
Affected: 2.1.2.3
Affected: 2.1.2.4
Affected: 2.1.2.5
Affected: 2.2.1.0
Affected: 2.1.2.6
Affected: 2.2.2.0
Affected: 2.2.2.1
Affected: 2.2.2.3
Affected: 2.1.2.7
Affected: 2.2.1.3
Affected: 2.2.3.0
Affected: 2.2.2.4
Affected: 2.2.2.5
Affected: 2.2.3.3
Affected: 2.2.2.7
Affected: 2.2.2.6
Affected: 2.2.2.8
Affected: 2.2.3.4
Affected: 2.1.2.8
Affected: 2.3.2.1
Affected: 2.3.2.1-AIRGAP
Affected: 2.3.2.1-AIRGAP-CA
Affected: 2.2.3.5
Affected: 2.3.3.0
Affected: 2.3.3.3
Affected: 2.3.3.1-AIRGAP
Affected: 2.3.3.1
Affected: 2.3.2.3
Affected: 2.3.3.3-AIRGAP
Affected: 2.2.3.6
Affected: 2.2.2.9
Affected: 2.3.3.0-AIRGAP
Affected: 2.3.3.3-AIRGAP-CA
Affected: 2.3.3.4
Affected: 2.3.3.4-AIRGAP
Affected: 2.3.3.4-AIRGAP-MDNAC
Affected: 2.3.3.4-HF1
Affected: 2.3.4.0
Affected: 2.3.3.5
Affected: 2.3.3.5-AIRGAP
Affected: 2.3.4.0-AIRGAP
Affected: 2.3.4.3
Affected: 2.3.4.3-AIRGAP
Affected: 2.3.3.6
Affected: 2.3.5.0
Affected: 2.3.3.6-AIRGAP
Affected: 2.3.5.0-AIRGAP
Affected: 2.3.3.6-AIRGAP-MDNAC
Affected: 2.3.5.0-AIRGAP-MDNAC
Affected: 2.3.3.7
Affected: 2.3.3.7-AIRGAP
Affected: 2.3.3.7-AIRGAP-MDNAC
Affected: 2.3.6.0
Affected: 2.3.3.6-70045-HF1
Affected: 2.3.3.7-72328-AIRGAP
Affected: 2.3.3.7-72323
Affected: 2.3.3.7-72328-MDNAC
Affected: 2.3.5.3
Affected: 2.3.5.3-AIRGAP-MDNAC
Affected: 2.3.5.3-AIRGAP
Affected: 2.3.6.0-AIRGAP
Affected: 2.3.7.0
Affected: 2.3.7.0-AIRGAP
Affected: 2.3.7.0-AIRGAP-MDNAC
Affected: 2.3.7.0-VA
Affected: 2.3.5.4
Affected: 2.3.5.4-AIRGAP
Affected: 2.3.5.4-AIRGAP-MDNAC
Affected: 2.3.7.3
Affected: 2.3.7.3-AIRGAP
Affected: 2.3.7.3-AIRGAP-MDNAC
Affected: 2.3.5.5-AIRGAP
Affected: 2.3.5.5
Affected: 2.3.5.5-AIRGAP-MDNAC
Affected: 2.3.7.4
Affected: 2.3.7.4-AIRGAP
Affected: 2.3.7.4-AIRGAP-MDNAC
Affected: 2.3.7.5-AIRGAP
Affected: 2.3.7.5-VA
Affected: 2.3.5.6-AIRGAP
Affected: 2.3.5.6
Affected: 2.3.5.6-AIRGAP-MDNAC
Affected: 2.3.7.6-AIRGAP
Affected: 2.3.7.6
Affected: 2.3.7.6-VA
Affected: 2.3.5.5-70026-HF70
Affected: 2.3.5.5-70026-HF51
Affected: 2.3.5.6-70143-HF20
Affected: 2.3.7.6-AIRGAP-MDNAC
Affected: 2.3.5.5-70026-HF52
Affected: 2.3.5.5-70026-HF53
Affected: 2.3.5.5-70026-HF71
Affected: 2.3.7.7
Affected: 2.3.7.7-VA
Affected: 2.3.7.7-AIRGAP
Affected: 2.3.7.7-AIRGAP-MDNAC
Affected: 2.3.5.5-70026-HF72
Create a notification for this product.
Show details on NVD website

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CVE-2025-20085 (GCVE-0-2025-20085)

Vulnerability from cvelistv5 – Published: 2025-12-01 15:25 – Updated: 2025-12-01 20:20
VLAI
Summary
A denial of service vulnerability exists in the Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to denial of service and weaken credentials resulting in default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Credits
Discovered by Kelly Patterson of Cisco Talos.
Show details on NVD website

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CVE-2025-15620 (GCVE-0-2025-15620)

Vulnerability from cvelistv5 – Published: 2026-04-02 20:28 – Updated: 2026-07-14 22:25
VLAI
Title
HiOS Switch Platform Denial-of-Service via Web Interface
Summary
HiOS Switch Platform versions 09.1.00 through 09.4.04 and 10.0.00 through 10.3.00 contain a denial-of-service vulnerability in the web interface that allows remote attackers to reboot the affected device by sending a malicious HTTP GET request to a specific endpoint. Attackers can trigger an uncontrolled reboot condition through crafted HTTP requests to cause service disruption and unavailability of the switch.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Belden Hirschmann HiOS Switch Platform Affected: 09.1.00 , ≤ 09.4.05 (custom)
Affected: 10.0.00 , ≤ 10.3.01 (custom)
Create a notification for this product.
Date Public
2025-10-09 00:00
Show details on NVD website

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          "value": "HiOS Switch Platform versions 09.1.00 through 09.4.04 and 10.0.00 through 10.3.00 contain a denial-of-service vulnerability in the web interface that allows remote attackers to reboot the affected device by sending a malicious HTTP GET request to a specific endpoint. Attackers can trigger an uncontrolled reboot condition through crafted HTTP requests to cause service disruption and unavailability of the switch."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306 Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T22:25:34.611Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Belden Security Advisories",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://assets.belden.com/m/702a656e81736b04/original/PSIRT-2_Web_Interface_HiOS.pdf"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/hios-switch-platform-denial-of-service-via-web-interface"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "HiOS Switch Platform Denial-of-Service via Web Interface"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2025-15620",
    "datePublished": "2026-04-02T20:28:08.711Z",
    "dateReserved": "2026-04-01T21:14:41.757Z",
    "dateUpdated": "2026-07-14T22:25:34.611Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Mitigation
Architecture and Design
  • Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
  • Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
  • In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design

For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.

Mitigation
Architecture and Design
  • Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
  • In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
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.
  • For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation System Configuration Operation

When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].

CAPEC-12: Choosing Message Identifier

This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.

CAPEC-166: Force the System to Reset Values

An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.

CAPEC-216: Communication Channel Manipulation

An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.

CAPEC-36: Using Unpublished Interfaces or Functionality

An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.

CAPEC-62: Cross Site Request Forgery

An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.