Common Weakness Enumeration
CWE-367
AllowedTime-of-check Time-of-use (TOCTOU) Race Condition
Abstraction: Base · Status: Incomplete
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
1063 vulnerabilities reference this CWE, most recent first.
CVE-2024-9512 (GCVE-0-2024-9512)
Vulnerability from cvelistv5 – Published: 2025-06-12 14:02 – Updated: 2025-06-12 14:13
VLAI
EPSS
VEX
Title
Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab
Summary
An issue has been discovered in GitLab EE affecting all versions prior to 17.10.8, 17.11 prior to 17.11.4, and 18.0 prior to 18.0.2. It may have been possible for private repository to be cloned in case of race condition when a secondary node is out of sync.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/497748 | issue-trackingpermissions-required |
| https://hackerone.com/reports/2683469 | technical-descriptionexploitpermissions-required |
Impacted products
Credits
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CVE-2024-9183 (GCVE-0-2024-9183)
Vulnerability from cvelistv5 – Published: 2025-12-05 16:34 – Updated: 2026-02-26 16:57
VLAI
EPSS
VEX
Title
Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 prior to 18.4.5, 18.5 prior to 18.5.3, and 18.6 prior to 18.6.1 that could have allowed an authenticated user to obtain credentials from higher-privileged users and perform actions in their context under specific conditions.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://about.gitlab.com/releases/2025/11/26/patc… | vendor-advisory |
| https://gitlab.com/gitlab-org/gitlab/-/issues/494478 | issue-trackingpermissions-required |
| https://hackerone.com/reports/2707421 | technical-descriptionexploitpermissions-required |
Impacted products
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CVE-2024-7348 (GCVE-0-2024-7348)
Vulnerability from cvelistv5 – Published: 2024-08-08 13:00 – Updated: 2024-08-22 18:03
VLAI
EPSS
VEX
Title
PostgreSQL relation replacement during pg_dump executes arbitrary SQL
Summary
Time-of-check Time-of-use (TOCTOU) race condition in pg_dump in PostgreSQL allows an object creator to execute arbitrary SQL functions as the user running pg_dump, which is often a superuser. The attack involves replacing another relation type with a view or foreign table. The attack requires waiting for pg_dump to start, but winning the race condition is trivial if the attacker retains an open transaction. Versions before PostgreSQL 16.4, 15.8, 14.13, 13.16, and 12.20 are affected.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
16 , < 16.4
(rpm)
Affected: 15 , < 15.8 (rpm) Affected: 14 , < 14.13 (rpm) Affected: 13 , < 13.16 (rpm) Affected: 0 , < 12.20 (rpm) |
|
| postgresql | postgresql |
Affected:
0 , < 12.20
(custom)
Affected: 13 , < 13.16 (custom) Affected: 14 , < 14.13 (custom) Affected: 15 , < 15.8 (custom) Affected: 16 , < 16.4 (custom) cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* |
Credits
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CVE-2024-6787 (GCVE-0-2024-6787)
Vulnerability from cvelistv5 – Published: 2024-09-21 04:20 – Updated: 2024-09-26 06:53
VLAI
EPSS
VEX
Title
MXview One Series vulnerable to Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
This vulnerability occurs when an attacker exploits a race condition between the time a file is checked and the time it is used (TOCTOU). By exploiting this race condition, an attacker can write arbitrary files to the system. This could allow the attacker to execute malicious code and potentially cause file losses.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.moxa.com/en/support/product-support/s… | vendor-advisory |
| https://www.cisa.gov/news-events/ics-advisories/i… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Moxa | MXview One Series |
Affected:
0 , < 1.4
(custom)
|
Date Public
2024-09-21 04:16
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CVE-2024-6029 (GCVE-0-2024-6029)
Vulnerability from cvelistv5 – Published: 2025-04-30 20:00 – Updated: 2025-04-30 20:13
VLAI
EPSS
VEX
Title
Tesla Model S Iris Modem Race Condition Firewall Bypass Vulnerability
Summary
Tesla Model S Iris Modem Race Condition Firewall Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass the firewall on the Iris modem in affected Tesla Model S vehicles. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the firewall service. The issue results from a failure to obtain the xtables lock. An attacker can leverage this vulnerability to bypass firewall rules. Was ZDI-CAN-23197.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-04-30 19:58
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CVE-2024-5803 (GCVE-0-2024-5803)
Vulnerability from cvelistv5 – Published: 2024-10-03 14:20 – Updated: 2024-10-03 15:38
VLAI
EPSS
VEX
Title
Local privelage escalation via COM hijacking
Summary
The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AVG/Avast | Antivirus |
Affected:
<24.1
(custom)
|
|
| avg | avg_anti-virus |
Affected:
0 , < 24.1
(custom)
cpe:2.3:a:avg:avg_anti-virus:*:*:*:*:*:*:*:* |
Date Public
2024-10-03 14:19
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CVE-2024-5558 (GCVE-0-2024-5558)
Vulnerability from cvelistv5 – Published: 2024-06-12 16:26 – Updated: 2024-08-01 21:18
VLAI
EPSS
VEX
Summary
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability exists that could
cause escalation of privileges when an attacker abuses a limited admin account.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Schneider Electric | SpaceLogic AS-P |
Affected:
V5.0.3 and prior
|
|
| Schneider Electric | SpaceLogic AS-B |
Affected:
V5.0.3 and prior
|
|
| schneider-electric | spacelogic_as-b |
Affected:
0 , ≤ 5.0.3
(custom)
cpe:2.3:h:schneider-electric:spacelogic_as-b:*:*:*:*:*:*:*:* |
|
| schneider-electric | spacelogic_as-p |
Affected:
0 , ≤ 5.0.3
(custom)
cpe:2.3:h:schneider-electric:spacelogic_as-p:*:*:*:*:*:*:*:* |
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CVE-2024-3292 (GCVE-0-2024-3292)
Vulnerability from cvelistv5 – Published: 2024-05-17 17:17 – Updated: 2024-08-01 20:05
VLAI
EPSS
VEX
Title
Race Condition
Summary
A race condition vulnerability exists where an authenticated, local attacker on a Windows Nessus Agent host could modify installation parameters at installation time, which could lead to the execution of arbitrary code on the Nessus host. - CVE-2024-3292
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Tenable | Nessus Agent |
Affected:
0 , < 10.6.4
(custom)
|
|
| tenable | nessus_agent |
Affected:
0 , < 10.6.4
(custom)
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:* |
Date Public
2024-05-16 19:00
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CVE-2024-3290 (GCVE-0-2024-3290)
Vulnerability from cvelistv5 – Published: 2024-05-17 16:54 – Updated: 2024-08-01 20:05
VLAI
EPSS
VEX
Title
Race Condition
Summary
A race condition vulnerability exists where an authenticated, local attacker on a Windows Nessus host could modify installation parameters at installation time, which could lead to the execution of arbitrary code on the Nessus host
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
Date Public
2024-05-16 19:00
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CVE-2024-2913 (GCVE-0-2024-2913)
Vulnerability from cvelistv5 – Published: 2024-05-06 23:42 – Updated: 2024-08-01 19:25
VLAI
EPSS
VEX
Title
Race Condition Vulnerability in mintplex-labs/anything-llm
Summary
A race condition vulnerability exists in the mintplex-labs/anything-llm repository, specifically within the user invite acceptance process. Attackers can exploit this vulnerability by sending multiple concurrent requests to accept a single user invite, allowing the creation of multiple user accounts from a single invite link intended for only one user. This bypasses the intended security mechanism that restricts invite acceptance to a single user, leading to unauthorized user creation without detection in the invite tab. The issue is due to the lack of validation for concurrent requests in the backend.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| mintplex-labs | mintplex-labs/anything-llm |
Affected:
unspecified , ≤ latest
(custom)
|
|
| multiplex-labs | multiplex-labs |
Unknown:
*
cpe:2.3:a:multiplex-labs:multiplex-labs:*:*:*:*:*:*:*:* |
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Mitigation
Implementation
The most basic advice for TOCTOU vulnerabilities is to not perform a check before the use. This does not resolve the underlying issue of the execution of a function on a resource whose state and identity cannot be assured, but it does help to limit the false sense of security given by the check.
Mitigation
Implementation
When the file being altered is owned by the current user and group, set the effective gid and uid to that of the current user and group when executing this statement.
Mitigation
Architecture and Design
Limit the interleaving of operations on files from multiple processes.
Mitigation
Implementation
Architecture and Design
If you cannot perform operations atomically and you must share access to the resource between multiple processes or threads, then try to limit the amount of time (CPU cycles) between the check and use of the resource. This will not fix the problem, but it could make it more difficult for an attack to succeed.
Mitigation
Implementation
Recheck the resource after the use call to verify that the action was taken appropriately.
Mitigation
Architecture and Design
Ensure that some environmental locking mechanism can be used to protect resources effectively.
Mitigation
Implementation
Ensure that locking occurs before the check, as opposed to afterwards, such that the resource, as checked, is the same as it is when in use.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.