Common Weakness Enumeration
CWE-821
AllowedIncorrect 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.
28 vulnerabilities reference this CWE, most recent first.
CVE-2024-1739 (GCVE-0-2024-1739)
Vulnerability from cvelistv5 – Published: 2024-04-16 00:00 – Updated: 2024-08-01 18:48
VLAI
EPSS
VEX
Title
Case Insensitive Email Address Validation Vulnerability in lunary-ai/lunary
Summary
lunary-ai/lunary is vulnerable to an authentication issue due to improper validation of email addresses during the signup process. Specifically, the server fails to treat email addresses as case insensitive, allowing the creation of multiple accounts with the same email address by varying the case of the email characters. For example, accounts for 'abc@gmail.com' and 'Abc@gmail.com' can both be created, leading to potential impersonation and confusion among users.
Severity
7.5 (High)
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-30 17:13 UTC
CWE
- CWE-821 - Incorrect Synchronization
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| lunary-ai | lunary-ai/lunary |
Affected:
unspecified , < 1.0.2
(custom)
|
|
| lunary-ai | lunary |
Affected:
0 , < 1.0.2
(custom)
cpe:2.3:a:lunary-ai:lunary:*:*:*:*:*:*:*:* |
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CVE-2023-5088 (GCVE-0-2023-5088)
Vulnerability from cvelistv5 – Published: 2023-11-03 13:58 – Updated: 2026-02-25 18:18
VLAI
EPSS
VEX
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.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-12 14:28 UTC
CWE
- CWE-821 - Incorrect Synchronization
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2135 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:2962 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-5088 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2247283 | issue-trackingx_refsource_REDHAT |
| https://lore.kernel.org/all/20230921160712.99521-… | |
| https://lists.debian.org/debian-lts-announce/2024… | x_transferred |
| https://security.netapp.com/advisory/ntap-2023120… | x_transferred |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
5 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 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
17:8.2.0-11.el9_4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization |
cpe:/a:redhat:advanced_virtualization:8::el8
|
Date Public
2023-09-21 00:00
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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
EPSS
VEX
Title
Incorrect Synchronization in polonel/trudesk
Summary
Incorrect Synchronization in GitHub repository polonel/trudesk prior to 1.2.3.
Severity
9.1 (Critical)
CWE
- CWE-821 - Incorrect Synchronization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/50c4cb63-65db-41c5-a16… | x_refsource_CONFIRM |
| https://github.com/polonel/trudesk/commit/3145408… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| polonel | polonel/trudesk |
Affected:
unspecified , < 1.2.3
(custom)
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"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-821 Incorrect Synchronization"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://huntr.dev/bounties/50c4cb63-65db-41c5-a16d-0560d7131fde",
"refsource": "CONFIRM",
"url": "https://huntr.dev/bounties/50c4cb63-65db-41c5-a16d-0560d7131fde"
},
{
"name": "https://github.com/polonel/trudesk/commit/314540864dbf2c0eaa99aa42c3d317de9501eb67",
"refsource": "MISC",
"url": "https://github.com/polonel/trudesk/commit/314540864dbf2c0eaa99aa42c3d317de9501eb67"
}
]
},
"source": {
"advisory": "50c4cb63-65db-41c5-a16d-0560d7131fde",
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
"assignerShortName": "@huntrdev",
"cveId": "CVE-2022-1931",
"datePublished": "2022-05-31T01:25:11.000Z",
"dateReserved": "2022-05-29T00:00:00.000Z",
"dateUpdated": "2024-08-03T00:17:00.934Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.
Severity
6.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-56132"
],
"database_specific": {
"cwe_ids": [
"CWE-821"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-19T06:17:10Z",
"severity": "MODERATE"
},
"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.",
"id": "GHSA-425r-vwq2-26qv",
"modified": "2026-06-19T06:31:56Z",
"published": "2026-06-19T06:31:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56132"
},
{
"type": "WEB",
"url": "https://github.com/libexpat/libexpat/pull/1272"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
"type": "CVSS_V3"
}
]
}
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.
Severity
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-6657"
],
"database_specific": {
"cwe_ids": [
"CWE-821"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-11T14:15:05Z",
"severity": "MODERATE"
},
"details": "A denial of service may be caused to a single peripheral device in a BLE network when multiple central \ndevices continuously connect and disconnect to the peripheral. A hard reset is required to recover the peripheral device.",
"id": "GHSA-4vhv-rmg8-wc9v",
"modified": "2024-11-04T15:31:54Z",
"published": "2024-10-11T15:30:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6657"
},
{
"type": "WEB",
"url": "https://community.silabs.com/068Vm00000FPVg0"
},
{
"type": "WEB",
"url": "https://community.silabs.com/068Vm00000FfVNN"
},
{
"type": "WEB",
"url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000E9IIbIAN?operationContext=S1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-9627-HQJ3-F64H
Vulnerability from github – Published: 2023-11-03 15:33 – Updated: 2025-11-03 21:30
VLAI
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'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.
Severity
6.4 (Medium)
{
"affected": [],
"aliases": [
"CVE-2023-5088"
],
"database_specific": {
"cwe_ids": [
"CWE-662",
"CWE-821"
],
"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.
Severity
4.0 (Medium)
{
"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-J5C4-CWJR-6VV5
Vulnerability from github – Published: 2026-08-20 21:31 – Updated: 2026-08-20 21:31
VLAI
Details
Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEGIN before the CONFLUX_LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit back-pointer and a use-after-free (UAF) when the circuit is freed. This is TROVE-2026-025.
Severity
7.0 (High)
{
"affected": [],
"aliases": [
"CVE-2026-77584"
],
"database_specific": {
"cwe_ids": [
"CWE-821"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-20T21:17:10Z",
"severity": "HIGH"
},
"details": "Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEGIN before the CONFLUX_LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit back-pointer and a use-after-free (UAF) when the circuit is freed. This is TROVE-2026-025.",
"id": "GHSA-j5c4-cwjr-6vv5",
"modified": "2026-08-20T21:31:30Z",
"published": "2026-08-20T21:31:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77584"
},
{
"type": "WEB",
"url": "https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.10/ChangeLog"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/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.
Severity
4.0 (Medium)
{
"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.
Severity
8.1 (High)
{
"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"
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.