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64 vulnerabilities found for wazuh by wazuh
CVE-2026-32984 (GCVE-0-2026-32984)
Vulnerability from nvd – Published: 2026-03-27 15:02 – Updated: 2026-03-27 15:02
VLAI?
Title
Heap buffer overflow in wazuh-authd
Summary
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Severity ?
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Reported by @vikman90; credited to @stasos24.
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CVE-2023-7340 (GCVE-0-2023-7340)
Vulnerability from nvd – Published: 2026-03-27 15:52 – Updated: 2026-03-27 19:41
VLAI?
Title
Wazuh authd service (os_auth) Heap-based Buffer Overflow
Summary
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Severity ?
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Reported by @vikman90; credited to @stasos24.
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CVE-2026-25790 (GCVE-0-2026-25790)
Vulnerability from nvd – Published: 2026-03-17 18:41 – Updated: 2026-03-18 14:56
VLAI?
Title
Wazuh has Stack-Based Buffer Overflow in Security Configuration Assessment JSON Parser
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, multiple stack-based buffer overflows exist in the Security Configuration Assessment (SCA) decoder (`wazuh-analysisd`). The use of `sprintf` with a floating-point (`%lf`) format specifier on a fixed-size 128-byte buffer allows a remote attacker to overflow the stack. A specially crafted JSON event can trigger this overflow, leading to a denial of service (crash) or potential RCE on the Wazuh manager. The vulnerability is located in `/src/analysisd/decoders/security_configuration_assessment.c`, within the `FillScanInfo` and `FillCheckEventInfo` functions. In multiple locations, a 128-byte buffer (`char value[OS_SIZE_128];`) is allocated on the stack to hold the string representation of a number from a JSON event. The code checks if the number is an integer or a double. If it's a double, it uses `sprintf(value, "%lf", ...)` to perform the conversion. This `sprintf` call is unbounded. If a floating-point number with a large exponent (e.g., `1.0e150`) is provided, `sprintf` will attempt to write its full string representation (a "1" followed by 150 zeros), which is larger than the 128-byte buffer, corrupting the stack. Version 4.14.3 patches the issue.
Severity ?
4.9 (Medium)
Assigner
References
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CVE-2026-25772 (GCVE-0-2026-25772)
Vulnerability from nvd – Published: 2026-03-17 18:11 – Updated: 2026-03-17 18:55
VLAI?
Title
Wazuh Database Synchronization Vulnerable to Stack-based Buffer Overflow via snprintf Integer Underflow
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.14.3, a stack-based buffer overflow vulnerability exists in the Wazuh Database synchronization module (`wdb_delta_event.c`). The SQL query construction logic allows for an integer underflow when calculating the remaining buffer size. This occurs because the code incorrectly aggregates the return value of `snprintf`. If a specific database synchronization payload exceeds the size of the query buffer (2048 bytes), the size calculation wraps around to a massive integer, effectively removing bounds checking for subsequent writes. This allows an attacker to corrupt the stack, leading to a Denial of Service (DoS) or potentially RCE. Version 4.14.3 fixes the issue.
Severity ?
4.9 (Medium)
Assigner
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CVE-2026-25771 (GCVE-0-2026-25771)
Vulnerability from nvd – Published: 2026-03-17 18:08 – Updated: 2026-03-18 13:37
VLAI?
Title
Wazuh Vulnerable to Denial of Service via Synchronous I/O Blocking in Asynchronous Authentication Middleware
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.3.0 and prior to version 4.14.3, a Denial of Service (DoS) vulnerability exists in the Wazuh API authentication middleware (`middlewares.py`). The application uses an asynchronous event loop (Starlette/Asyncio) to call a synchronous function (`generate_keypair`) that performs blocking disk I/O on every request containing a Bearer token. An unauthenticated remote attacker can exploit this by flooding the API with requests containing invalid Bearer tokens. This forces the single-threaded event loop to pause for file read operations repeatedly, starving the application of CPU resources and potentially preventing it from accepting or processing legitimate connections. Version 4.14.3 fixes the issue.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
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CVE-2026-25770 (GCVE-0-2026-25770)
Vulnerability from nvd – Published: 2026-03-17 18:02 – Updated: 2026-03-18 13:05
VLAI?
Title
Wazuh has Privilege Escalation to Root via Cluster Protocol File Write
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, a privilege escalation vulnerability exists in the Wazuh Manager's cluster synchronization protocol. The `wazuh-clusterd` service allows authenticated nodes to write arbitrary files to the manager’s file system with the permissions of the `wazuh` system user. Due to insecure default permissions, the `wazuh` user has write access to the manager's main configuration file (`/var/ossec/etc/ossec.conf`). By leveraging the cluster protocol to overwrite `ossec.conf`, an attacker can inject a malicious `<localfile>` command block. The `wazuh-logcollector` service, which runs as root, parses this configuration and executes the injected command. This chain allows an attacker with cluster credentials to gain full Root Remote Code Execution, violating the principle of least privilege and bypassing the intended security model. Version 4.14.3 fixes the issue.
Severity ?
9.1 (Critical)
CWE
Assigner
References
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CVE-2026-25769 (GCVE-0-2026-25769)
Vulnerability from nvd – Published: 2026-03-17 17:41 – Updated: 2026-03-18 03:55
VLAI?
Title
Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.0.0 through 4.14.2 have a Remote Code Execution (RCE) vulnerability due to Deserialization of Untrusted Data). All Wazuh deployments using cluster mode (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.
Severity ?
9.1 (Critical)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-64169 (GCVE-0-2025-64169)
Vulnerability from nvd – Published: 2025-11-21 18:39 – Updated: 2025-11-21 19:05
VLAI?
Title
Wazuh NULL pointer dereference in fim_alert line 666
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-54866 (GCVE-0-2025-54866)
Vulnerability from nvd – Published: 2025-11-21 18:23 – Updated: 2025-11-21 18:33
VLAI?
Title
Wazuh installation fails to protected authd.pass on Windows
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.3.0 to before 4.13.0, a missing ACL on "C:\Program Files (x86)\ossec-agent\authd.pass" exposes the password to all "Authenticated Users" on the local machine. This issue has been patched in version 4.13.0.
Severity ?
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-30201 (GCVE-0-2025-30201)
Vulnerability from nvd – Published: 2025-11-21 18:17 – Updated: 2026-02-26 16:07
VLAI?
Title
Wazuh NetNTLMv2 Hash Theft In Multiple Centralized Configuration Capabilities
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.13.0, a vulnerability in Wazuh Agent allows authenticated attackers to force NTLM authentication through malicious UNC paths in various agent configuration settings, potentially leading NTLM relay attacks that would result privilege escalation and remote code execution. This issue has been patched in version 4.13.0.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2025-62792 (GCVE-0-2025-62792)
Vulnerability from nvd – Published: 2025-10-29 16:50 – Updated: 2025-10-29 18:10
VLAI?
Title
Wazuh vulnerable to Heap-based Buffer Over-read in w_expression_match
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.12.0, a buffer over-read occurs in w_expression_match() when strlen() is called on str_test, because the corresponding buffer is not being properly NULL terminated during its allocation in OS_CleanMSG(). A compromised agent can cause a READ operation beyond the end of the allocated buffer (which may contain sensitive information) by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause a buffer over-read and potentially access sensitive data. This vulnerability is fixed in 4.12.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-62791 (GCVE-0-2025-62791)
Vulnerability from nvd – Published: 2025-10-29 16:48 – Updated: 2025-10-29 19:03
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in DecodeCiscat
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-62790 (GCVE-0-2025-62790)
Vulnerability from nvd – Published: 2025-10-29 16:46 – Updated: 2025-10-29 19:08
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_fetch_attributes_state
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_fetch_attributes_state() implementation does not check whether time_string is NULL or not before calling strlen() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2025-62789 (GCVE-0-2025-62789)
Vulnerability from nvd – Published: 2025-10-29 16:44 – Updated: 2025-10-29 19:09
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_alert line 712
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_alert() implementation does not check whether the return value of ctime_r is NULL or not before calling strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-62788 (GCVE-0-2025-62788)
Vulnerability from nvd – Published: 2025-10-29 16:42 – Updated: 2025-10-29 19:15
VLAI?
Title
Wazuh Vulnerable to Heap Use After Free in w_copy_event_for_log
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, w_copy_event_for_log() references memory (initially allocated in OS_CleanMSG()) after it has been freed. A compromised agent can potentially compromise the integrity of the application by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can leverage this issue to potentially compromise the integrity of the application (the use of previously freed memory may corrupt valid data, if the memory area in question has been allocated and used properly elsewhere). This vulnerability is fixed in 4.11.0.
Severity ?
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2025-62787 (GCVE-0-2025-62787)
Vulnerability from nvd – Published: 2025-10-29 16:30 – Updated: 2025-10-29 17:38
VLAI?
Title
Wazuh Vulnerable to Heap-based Buffer Over-read in DecodeWinevt
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.10.2, a buffer over-read occurs in DecodeWinevt() when child_attr[p]->attributes[j] is accessed, because the corresponding index (j) is incorrect. A compromised agent can cause a READ operation beyond the end of the allocated buffer (which may contain sensitive information) by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause a buffer over-read and potentially access sensitive data. While the buffer over-read is always triggered while resolving the arguments of mdebug2, specific configuration options (analysisd.debug=2) need to be in place for the respective data to be leaked. This vulnerability is fixed in 4.10.2.
Severity ?
CWE
- CWE-126 - Buffer Over-read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-7340 (GCVE-0-2023-7340)
Vulnerability from cvelistv5 – Published: 2026-03-27 15:52 – Updated: 2026-03-27 19:41
VLAI?
Title
Wazuh authd service (os_auth) Heap-based Buffer Overflow
Summary
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Severity ?
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Reported by @vikman90; credited to @stasos24.
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CVE-2026-32984 (GCVE-0-2026-32984)
Vulnerability from cvelistv5 – Published: 2026-03-27 15:02 – Updated: 2026-03-27 15:02
VLAI?
Title
Heap buffer overflow in wazuh-authd
Summary
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Severity ?
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Reported by @vikman90; credited to @stasos24.
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CVE-2026-25790 (GCVE-0-2026-25790)
Vulnerability from cvelistv5 – Published: 2026-03-17 18:41 – Updated: 2026-03-18 14:56
VLAI?
Title
Wazuh has Stack-Based Buffer Overflow in Security Configuration Assessment JSON Parser
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, multiple stack-based buffer overflows exist in the Security Configuration Assessment (SCA) decoder (`wazuh-analysisd`). The use of `sprintf` with a floating-point (`%lf`) format specifier on a fixed-size 128-byte buffer allows a remote attacker to overflow the stack. A specially crafted JSON event can trigger this overflow, leading to a denial of service (crash) or potential RCE on the Wazuh manager. The vulnerability is located in `/src/analysisd/decoders/security_configuration_assessment.c`, within the `FillScanInfo` and `FillCheckEventInfo` functions. In multiple locations, a 128-byte buffer (`char value[OS_SIZE_128];`) is allocated on the stack to hold the string representation of a number from a JSON event. The code checks if the number is an integer or a double. If it's a double, it uses `sprintf(value, "%lf", ...)` to perform the conversion. This `sprintf` call is unbounded. If a floating-point number with a large exponent (e.g., `1.0e150`) is provided, `sprintf` will attempt to write its full string representation (a "1" followed by 150 zeros), which is larger than the 128-byte buffer, corrupting the stack. Version 4.14.3 patches the issue.
Severity ?
4.9 (Medium)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2026-25772 (GCVE-0-2026-25772)
Vulnerability from cvelistv5 – Published: 2026-03-17 18:11 – Updated: 2026-03-17 18:55
VLAI?
Title
Wazuh Database Synchronization Vulnerable to Stack-based Buffer Overflow via snprintf Integer Underflow
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.14.3, a stack-based buffer overflow vulnerability exists in the Wazuh Database synchronization module (`wdb_delta_event.c`). The SQL query construction logic allows for an integer underflow when calculating the remaining buffer size. This occurs because the code incorrectly aggregates the return value of `snprintf`. If a specific database synchronization payload exceeds the size of the query buffer (2048 bytes), the size calculation wraps around to a massive integer, effectively removing bounds checking for subsequent writes. This allows an attacker to corrupt the stack, leading to a Denial of Service (DoS) or potentially RCE. Version 4.14.3 fixes the issue.
Severity ?
4.9 (Medium)
Assigner
References
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CVE-2026-25771 (GCVE-0-2026-25771)
Vulnerability from cvelistv5 – Published: 2026-03-17 18:08 – Updated: 2026-03-18 13:37
VLAI?
Title
Wazuh Vulnerable to Denial of Service via Synchronous I/O Blocking in Asynchronous Authentication Middleware
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.3.0 and prior to version 4.14.3, a Denial of Service (DoS) vulnerability exists in the Wazuh API authentication middleware (`middlewares.py`). The application uses an asynchronous event loop (Starlette/Asyncio) to call a synchronous function (`generate_keypair`) that performs blocking disk I/O on every request containing a Bearer token. An unauthenticated remote attacker can exploit this by flooding the API with requests containing invalid Bearer tokens. This forces the single-threaded event loop to pause for file read operations repeatedly, starving the application of CPU resources and potentially preventing it from accepting or processing legitimate connections. Version 4.14.3 fixes the issue.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||
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CVE-2026-25770 (GCVE-0-2026-25770)
Vulnerability from cvelistv5 – Published: 2026-03-17 18:02 – Updated: 2026-03-18 13:05
VLAI?
Title
Wazuh has Privilege Escalation to Root via Cluster Protocol File Write
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 3.9.0 and prior to version 4.14.3, a privilege escalation vulnerability exists in the Wazuh Manager's cluster synchronization protocol. The `wazuh-clusterd` service allows authenticated nodes to write arbitrary files to the manager’s file system with the permissions of the `wazuh` system user. Due to insecure default permissions, the `wazuh` user has write access to the manager's main configuration file (`/var/ossec/etc/ossec.conf`). By leveraging the cluster protocol to overwrite `ossec.conf`, an attacker can inject a malicious `<localfile>` command block. The `wazuh-logcollector` service, which runs as root, parses this configuration and executes the injected command. This chain allows an attacker with cluster credentials to gain full Root Remote Code Execution, violating the principle of least privilege and bypassing the intended security model. Version 4.14.3 fixes the issue.
Severity ?
9.1 (Critical)
CWE
Assigner
References
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CVE-2026-25769 (GCVE-0-2026-25769)
Vulnerability from cvelistv5 – Published: 2026-03-17 17:41 – Updated: 2026-03-18 03:55
VLAI?
Title
Wazuh Cluster vulnerable to Remote Code Execution via Insecure Deserialization
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.0.0 through 4.14.2 have a Remote Code Execution (RCE) vulnerability due to Deserialization of Untrusted Data). All Wazuh deployments using cluster mode (master/worker architecture) and any organization with a compromised worker node (e.g., through initial access, insider threat, or supply chain attack) are impacted. An attacker who gains access to a worker node (through any means) can achieve full RCE on the master node with root privileges. Version 4.14.3 fixes the issue.
Severity ?
9.1 (Critical)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-64169 (GCVE-0-2025-64169)
Vulnerability from cvelistv5 – Published: 2025-11-21 18:39 – Updated: 2025-11-21 19:05
VLAI?
Title
Wazuh NULL pointer dereference in fim_alert line 666
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-54866 (GCVE-0-2025-54866)
Vulnerability from cvelistv5 – Published: 2025-11-21 18:23 – Updated: 2025-11-21 18:33
VLAI?
Title
Wazuh installation fails to protected authd.pass on Windows
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.3.0 to before 4.13.0, a missing ACL on "C:\Program Files (x86)\ossec-agent\authd.pass" exposes the password to all "Authenticated Users" on the local machine. This issue has been patched in version 4.13.0.
Severity ?
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-30201 (GCVE-0-2025-30201)
Vulnerability from cvelistv5 – Published: 2025-11-21 18:17 – Updated: 2026-02-26 16:07
VLAI?
Title
Wazuh NetNTLMv2 Hash Theft In Multiple Centralized Configuration Capabilities
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to version 4.13.0, a vulnerability in Wazuh Agent allows authenticated attackers to force NTLM authentication through malicious UNC paths in various agent configuration settings, potentially leading NTLM relay attacks that would result privilege escalation and remote code execution. This issue has been patched in version 4.13.0.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2025-62792 (GCVE-0-2025-62792)
Vulnerability from cvelistv5 – Published: 2025-10-29 16:50 – Updated: 2025-10-29 18:10
VLAI?
Title
Wazuh vulnerable to Heap-based Buffer Over-read in w_expression_match
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.12.0, a buffer over-read occurs in w_expression_match() when strlen() is called on str_test, because the corresponding buffer is not being properly NULL terminated during its allocation in OS_CleanMSG(). A compromised agent can cause a READ operation beyond the end of the allocated buffer (which may contain sensitive information) by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause a buffer over-read and potentially access sensitive data. This vulnerability is fixed in 4.12.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-62791 (GCVE-0-2025-62791)
Vulnerability from cvelistv5 – Published: 2025-10-29 16:48 – Updated: 2025-10-29 19:03
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in DecodeCiscat
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-62790 (GCVE-0-2025-62790)
Vulnerability from cvelistv5 – Published: 2025-10-29 16:46 – Updated: 2025-10-29 19:08
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_fetch_attributes_state
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_fetch_attributes_state() implementation does not check whether time_string is NULL or not before calling strlen() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2025-62789 (GCVE-0-2025-62789)
Vulnerability from cvelistv5 – Published: 2025-10-29 16:44 – Updated: 2025-10-29 19:09
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_alert line 712
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_alert() implementation does not check whether the return value of ctime_r is NULL or not before calling strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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