CWE-1281

Sequence of Processor Instructions Leads to Unexpected Behavior

Specific combinations of processor instructions lead to undesirable behavior such as locking the processor until a hard reset performed.

CVE-2023-23583 (GCVE-0-2023-23583)
Vulnerability from cvelistv5
Published
2023-11-14 19:04
Modified
2025-12-16 18:23
Severity ?
8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • information disclosure, escalation of privilege, denial of service
  • CWE-1281 - Sequence of processor instructions leads to unexpected behavior
Summary
Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.
References
Impacted products
Vendor Product Version
n/a Intel(R) Processors Version: See references
Show details on NVD website

To clipboard 

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CVE-2023-46103 (GCVE-0-2023-46103)
Vulnerability from cvelistv5
Published
2024-05-16 20:47
Modified
2024-08-02 20:37
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • denial of service
  • CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior
Summary
Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service via local access.
References
Impacted products
Vendor Product Version
n/a Intel(R) Core(TM) Ultra Processors Version: See references
Show details on NVD website

To clipboard 

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CVE-2024-37020 (GCVE-0-2024-37020)
Vulnerability from cvelistv5
Published
2025-02-12 21:20
Modified
2025-11-03 20:37
Severity ?
4.8 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • Denial of Service
  • CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior
Summary
Sequence of processor instructions leads to unexpected behavior in the Intel(R) DSA V1.0 for some Intel(R) Xeon(R) Processors may allow an authenticated user to potentially enable denial of service via local access.
References
Impacted products
Vendor Product Version
n/a Intel(R) Xeon(R) Processors Version: See references
Show details on NVD website

To clipboard 

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CVE-2025-22840 (GCVE-0-2025-22840)
Vulnerability from cvelistv5
Published
2025-08-12 16:58
Modified
2026-02-26 17:49
Severity ?
5.3 (Medium) - CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CWE
  • Escalation of Privilege
  • CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior
Summary
Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access
References
Impacted products
Vendor Product Version
n/a Intel(R) Xeon(R) 6 Scalable processors Version: See references
Show details on NVD website

To clipboard 

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    "dateReserved": "2025-01-08T04:00:28.820Z",
    "dateUpdated": "2026-02-26T17:49:32.918Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
CVE-2026-47233 (GCVE-0-2026-47233)
Vulnerability from cvelistv5
Published
2026-08-12 13:57
Modified
2026-08-13 16:17
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-862 - Missing Authorization
  • CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior
Summary
Admidio is an open-source user management solution. Version 5.0.9 added a missing `isAdministratorInventory()` gate to `case 'item_delete':` in `modules/inventory.php`. The same fix was not applied to the sibling `case 'field_delete':` handler, which destroys an entire inventory field definition, cascading to every `adm_inventory_item_data` row that referenced that field and every `adm_inventory_field_options` entry. The handler validates only a session-bound CSRF token; there is no `isAdministratorInventory()` check at the controller level, and `Admidio\Inventory\Entity\ItemField::delete()` does not enforce one at the entity level either (unlike its sibling `ItemField::save()`, which does check `$gCurrentUser->isAdministrator()`). Any user who can log in to the site can permanently destroy a non-system inventory field by sending one POST. Version 5.0.10 provides an updated fix.
References
Impacted products
Vendor Product Version
Admidio admidio Version: < 5.0.10
 Create a notification for this product.
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-47233",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-13T16:16:02.755171Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-13T16:17:53.128Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/Admidio/admidio/security/advisories/GHSA-xw54-c3mx-9pm3"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "admidio",
          "vendor": "Admidio",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.0.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Admidio is an open-source user management solution. Version 5.0.9 added a missing `isAdministratorInventory()` gate to `case \u0027item_delete\u0027:` in `modules/inventory.php`. The same fix was not applied to the sibling `case \u0027field_delete\u0027:` handler, which destroys an entire inventory field definition, cascading to every `adm_inventory_item_data` row that referenced that field and every `adm_inventory_field_options` entry. The handler validates only a session-bound CSRF token; there is no `isAdministratorInventory()` check at the controller level, and `Admidio\\Inventory\\Entity\\ItemField::delete()` does not enforce one at the entity level either (unlike its sibling `ItemField::save()`, which does check `$gCurrentUser-\u003eisAdministrator()`). Any user who can log in to the site can permanently destroy a non-system inventory field by sending one POST. Version 5.0.10 provides an updated fix."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-1281",
              "description": "CWE-1281: Sequence of Processor Instructions Leads to Unexpected Behavior",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-12T13:57:14.510Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/Admidio/admidio/security/advisories/GHSA-xw54-c3mx-9pm3",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/Admidio/admidio/security/advisories/GHSA-xw54-c3mx-9pm3"
        },
        {
          "name": "https://github.com/Admidio/admidio/commit/d37ca6b27b9674238e58491cf7ba292e66898f15",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/Admidio/admidio/commit/d37ca6b27b9674238e58491cf7ba292e66898f15"
        }
      ],
      "source": {
        "advisory": "GHSA-xw54-c3mx-9pm3",
        "discovery": "UNKNOWN"
      },
      "title": "Admidio: Any logged-in user can delete inventory fields via `mode=field_delete` \u2014 incomplete fix of #2024"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-47233",
    "datePublished": "2026-08-12T13:57:14.510Z",
    "dateReserved": "2026-05-18T22:54:18.271Z",
    "dateUpdated": "2026-08-13T16:17:53.128Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
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Mitigation

Phase: Testing

Description:

  • Implement a rigorous testing strategy that incorporates randomization to explore instruction sequences that are unlikely to appear in normal workloads in order to identify halt and catch fire instruction sequences.
Mitigation

Phase: Patching and Maintenance

Description:

  • Patch operating system to avoid running Halt and Catch Fire type sequences or to mitigate the damage caused by unexpected behavior. See [REF-1108].
CAPEC-212: Functionality Misuse

An adversary leverages a legitimate capability of an application in such a way as to achieve a negative technical impact. The system functionality is not altered or modified but used in a way that was not intended. This is often accomplished through the overuse of a specific functionality or by leveraging functionality with design flaws that enables the adversary to gain access to unauthorized, sensitive data.

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