Common Weakness Enumeration

CWE-821

Allowed

Incorrect Synchronization

Abstraction: Base · Status: Incomplete

The product utilizes a shared resource in a concurrent manner, but it does not correctly synchronize access to the resource.

26 vulnerabilities reference this CWE, most recent first.

CVE-2023-5088 (GCVE-0-2023-5088)

Vulnerability from cvelistv5 – Published: 2023-11-03 13:58 – Updated: 2026-02-25 18:18
VLAI
Title
Qemu: improper ide controller reset can lead to mbr overwrite
Summary
A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overwriting the VM's boot code). This could be used, for example, by L2 guests with a virtual disk (vdiskL2) stored on a virtual disk of an L1 (vdiskL1) hypervisor to read and/or write data to LBA 0 of vdiskL1, potentially gaining control of L1 at its next reboot.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-821 - Incorrect Synchronization
Assigner
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020240314161907.e155f54d , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 17:8.2.0-11.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization     cpe:/a:redhat:advanced_virtualization:8::el8
Create a notification for this product.
Date Public
2023-09-21 00:00
Show details on NVD website

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CVE-2022-1931 (GCVE-0-2022-1931)

Vulnerability from cvelistv5 – Published: 2022-05-31 01:25 – Updated: 2024-08-03 00:17
VLAI
Title
Incorrect Synchronization in polonel/trudesk
Summary
Incorrect Synchronization in GitHub repository polonel/trudesk prior to 1.2.3.
CWE
  • CWE-821 - Incorrect Synchronization
Assigner
References
Impacted products
Vendor Product Version
polonel polonel/trudesk Affected: unspecified , < 1.2.3 (custom)
Create a notification for this product.
Show details on NVD website

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GHSA-425R-VWQ2-26QV

Vulnerability from github – Published: 2026-06-19 06:31 – Updated: 2026-06-19 06:31
VLAI
Details

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

Show details on source website

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GHSA-4VHV-RMG8-WC9V

Vulnerability from github – Published: 2024-10-11 15:30 – Updated: 2024-11-04 15:31
VLAI
Details

A denial of service may be caused to a single peripheral device in a BLE network when multiple central devices continuously connect and disconnect to the peripheral. A hard reset is required to recover the peripheral device.

Show details on source website

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GHSA-9627-HQJ3-F64H

Vulnerability from github – Published: 2023-11-03 15:33 – Updated: 2025-11-03 21:30
VLAI
Details

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Show details on source website

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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-11-03T14:15:08Z",
    "severity": "MODERATE"
  },
  "details": "A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overwriting the VM\u0027s boot code). This could be used, for example, by L2 guests with a virtual disk (vdiskL2) stored on a virtual disk of an L1 (vdiskL1) hypervisor to read and/or write data to LBA 0 of vdiskL1, potentially gaining control of L1 at its next reboot.",
  "id": "GHSA-9627-hqj3-f64h",
  "modified": "2025-11-03T21:30:55Z",
  "published": "2023-11-03T15:33:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5088"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:2135"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:2962"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-5088"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2247283"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/04/msg00042.html"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/all/20230921160712.99521-1-simon.rowe@nutanix.com/T"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231208-0005"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-C7W9-6GG4-JGW9

Vulnerability from github – Published: 2025-04-07 15:31 – Updated: 2025-04-07 15:31
VLAI
Details

In chainmaker-go (aka ChainMaker) before 2.3.6, multiple updates to a single node's configuration can cause other normal nodes to perform concurrent read and write operations on a map, leading to a panic.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-58132"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-821"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-06T03:15:15Z",
    "severity": "MODERATE"
  },
  "details": "In chainmaker-go (aka ChainMaker) before 2.3.6, multiple updates to a single node\u0027s configuration can cause other normal nodes to perform concurrent read and write operations on a map, leading to a panic.",
  "id": "GHSA-c7w9-6gg4-jgw9",
  "modified": "2025-04-07T15:31:13Z",
  "published": "2025-04-07T15:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58132"
    },
    {
      "type": "WEB",
      "url": "https://git.chainmaker.org.cn/chainmaker/issue/-/issues/1202"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-J882-WWWR-7R6Q

Vulnerability from github – Published: 2025-04-07 15:31 – Updated: 2025-04-07 15:31
VLAI
Details

FISCO BCOS 3.11.0 has an issue with synchronization of the transaction pool that can, for example, be observed when a malicious node (that has modified the codebase to allow a large min_seal_time value) joins a blockchain network.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-58131"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-662",
      "CWE-821"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-06T03:15:13Z",
    "severity": "MODERATE"
  },
  "details": "FISCO BCOS 3.11.0 has an issue with synchronization of the transaction pool that can, for example, be observed when a malicious node (that has modified the codebase to allow a large min_seal_time value) joins a blockchain network.",
  "id": "GHSA-j882-wwwr-7r6q",
  "modified": "2025-04-07T15:31:13Z",
  "published": "2025-04-07T15:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58131"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FISCO-BCOS/FISCO-BCOS/issues/4656"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-JRHC-9QG9-4QFQ

Vulnerability from github – Published: 2025-03-20 12:32 – Updated: 2025-03-21 17:26
VLAI
Summary
Open WebUI Allows Arbitrary File Reading and Deletion
Details

An improper access control vulnerability in open-webui/open-webui v0.3.8 allows attackers to view and delete any files. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the GET /api/v1/files/ interface to retrieve information on all files uploaded by users, which includes the ID values. The attacker can then use the GET /api/v1/files/{file_id} interface to obtain information on any file and the DELETE /api/v1/files/{file_id} interface to delete any file.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "open-webui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.3.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-7043"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-821",
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-03-21T17:26:04Z",
    "nvd_published_at": "2025-03-20T10:15:35Z",
    "severity": "HIGH"
  },
  "details": "An improper access control vulnerability in open-webui/open-webui v0.3.8 allows attackers to view and delete any files. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the GET /api/v1/files/ interface to retrieve information on all files uploaded by users, which includes the ID values. The attacker can then use the GET /api/v1/files/{file_id} interface to obtain information on any file and the DELETE /api/v1/files/{file_id} interface to delete any file.",
  "id": "GHSA-jrhc-9qg9-4qfq",
  "modified": "2025-03-21T17:26:04Z",
  "published": "2025-03-20T12:32:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7043"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/open-webui/open-webui"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/c01e0c7f-68d8-45cf-91d2-521c97f33b00"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Open WebUI Allows Arbitrary File Reading and Deletion"
}

GHSA-PJ5G-V5V3-3C22

Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2025-01-31 12:33
VLAI
Details

In lunary-ai/lunary version 1.2.2, an incorrect synchronization vulnerability allows unprivileged users to rename projects they do not have access to. Specifically, an unprivileged user can send a PATCH request to the project's endpoint with a new name for a project, despite not having the necessary permissions or being assigned to the project. This issue allows for unauthorized modification of project names, potentially leading to confusion or unauthorized access to project resources.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-4154"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639",
      "CWE-821"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T18:15:09Z",
    "severity": "HIGH"
  },
  "details": "In lunary-ai/lunary version 1.2.2, an incorrect synchronization vulnerability allows unprivileged users to rename projects they do not have access to. Specifically, an unprivileged user can send a PATCH request to the project\u0027s endpoint with a new name for a project, despite not having the necessary permissions or being assigned to the project. This issue allows for unauthorized modification of project names, potentially leading to confusion or unauthorized access to project resources.",
  "id": "GHSA-pj5g-v5v3-3c22",
  "modified": "2025-01-31T12:33:01Z",
  "published": "2024-05-21T18:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4154"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lunary-ai/lunary/commit/c43b6c62035f32ca455f66d5fd22ba661648cde7"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/e56509af-f7af-4e1e-a04b-9cb53545f30f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-PRC3-79C5-8H62

Vulnerability from github – Published: 2024-04-10 18:30 – Updated: 2024-04-15 18:30
VLAI
Details

lunary-ai/lunary is vulnerable to a session reuse attack, allowing a removed user to change the organization name without proper authorization. The vulnerability stems from the lack of validation to check if a user is still part of an organization before allowing them to make changes. An attacker can exploit this by using an old authorization token to send a PATCH request, modifying the organization's name even after being removed from the organization. This issue is due to incorrect synchronization and affects the orgs.patch route.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-1902"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-821"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-10T17:15:53Z",
    "severity": "HIGH"
  },
  "details": "lunary-ai/lunary is vulnerable to a session reuse attack, allowing a removed user to change the organization name without proper authorization. The vulnerability stems from the lack of validation to check if a user is still part of an organization before allowing them to make changes. An attacker can exploit this by using an old authorization token to send a PATCH request, modifying the organization\u0027s name even after being removed from the organization. This issue is due to incorrect synchronization and affects the orgs.patch route.",
  "id": "GHSA-prc3-79c5-8h62",
  "modified": "2024-04-15T18:30:50Z",
  "published": "2024-04-10T18:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-1902"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lunary-ai/lunary/commit/d8e2e73efd53ab4e92cf47bbf4b639a9f08853d2"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/e536310e-abe7-4585-9cf6-21f77390a5e8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.