Search criteria
44 vulnerabilities by wazuh
CVE-2026-41499 (GCVE-0-2026-41499)
Vulnerability from cvelistv5 – Published: 2026-04-29 18:01 – Updated: 2026-04-29 18:31
VLAI?
Title
Wazuh: Multiple Heap-based NULL WRITE Buffer Underflows in parse_uname_string()
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, multiple heap-based out-of-bounds WRITE vulnerabilities exist in parse_uname_string() (remoted_op.c). This function processes OS identification data from agents and contains a dangerous code pattern that appears in 4 locations within the same function: writing to strlen(ptr) - 1 without checking for empty strings. When the string is empty, strlen() returns 0, and 0 - 1 wraps to SIZE_MAX due to unsigned integer underflow. Due to pointer arithmetic wrapping, SIZE_MAX effectively becomes -1, causing a write exactly 1 byte before the allocated buffer. This corrupts heap metadata (e.g., the chunk size field in glibc malloc), leading to heap corruption. This issue has been patched in version 4.14.4.
Severity ?
6.5 (Medium)
CWE
Assigner
References
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CVE-2026-30893 (GCVE-0-2026-30893)
Vulnerability from cvelistv5 – Published: 2026-04-29 17:55 – Updated: 2026-04-29 19:29
VLAI?
Title
Wazuh cluster sync path traversal in decompress_files() enables arbitrary file write and code execution from authenticated cluster peer
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.4.0 to before version 4.14.4, a path traversal vulnerability in Wazuh's cluster synchronization extraction routine allows an authenticated cluster peer to write arbitrary files outside the intended extraction directory on other cluster nodes. This can be escalated to code execution in the Wazuh service context by overwriting Python modules loaded by Wazuh components (proof of concept available as separate attachment). In deployments where the cluster daemon runs with elevated privileges, system-level compromise is possible. This issue has been patched in version 4.14.4.
Severity ?
9 (Critical)
CWE
Assigner
References
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CVE-2026-28221 (GCVE-0-2026-28221)
Vulnerability from cvelistv5 – Published: 2026-04-29 17:53 – Updated: 2026-04-29 18:34
VLAI?
Title
Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted print_hex_string() due to signed char promotion on x86_64
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in print_hex_string() in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintf(dst_buf + 2*i, "%.2x", src_buf[i]) on platforms where char is treated as signed and the compiled code sign-extends bytes before the variadic call. For input bytes such as 0xFF, the formatting can emit "ffffffff" (8 chars) instead of "ff" (2 chars), causing an out-of-bounds write past a fixed 2049-byte stack buffer. The vulnerable path is reachable remotely prior to any agent authentication/registration logic via TCP/1514 when an oversized length prefix causes the “unexpected message (hex)” diagnostic path to run. Additionally, the same unauthenticated oversized-message diagnostic path logs an attacker-controlled hex dump to /var/ossec/logs/ossec.log for each trigger, allowing remote log amplification that can degrade monitoring fidelity and consume disk/I/O. This log amplification is reachable even without triggering the sign-extension overflow (e.g., using bytes < 0x80). This issue has been patched in version 4.14.4.
Severity ?
6.5 (Medium)
Assigner
References
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CVE-2026-26206 (GCVE-0-2026-26206)
Vulnerability from cvelistv5 – Published: 2026-04-29 17:49 – Updated: 2026-04-29 18:51
VLAI?
Title
Wazuh: API brute-force protection bypass via race condition in login attempt tracking
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, Wazuh's server API brute-force protection for POST /security/user/authenticate can be bypassed by sending concurrent authentication requests. Although the configured threshold (max_login_attempts, default 50) is enforced correctly for sequential requests, a parallel burst allows significantly more failed login attempts to be processed before the IP block is applied. This enables an attacker to perform more password guesses than the configured policy intends (e.g., 100 attempts processed where 50 should be allowed). This issue has been patched in version 4.14.4.
Severity ?
6.5 (Medium)
CWE
Assigner
References
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CVE-2026-26204 (GCVE-0-2026-26204)
Vulnerability from cvelistv5 – Published: 2026-04-29 17:43 – Updated: 2026-04-30 12:48
VLAI?
Title
Wazuh: Heap-based NULL WRITE Buffer Underflow in GetAlertData
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 1.0.0 to before version 4.14.4, a heap-based out-of-bounds WRITE occurs in GetAlertData, resulting in writing a NULL byte exactly 1 byte before the start of the buffer allocated by strdup. Due to unsigned integer underflow and pointer arithmetic wrapping, the write lands at offset -1 from the buffer, corrupting heap metadata. A malicious actor can potentially leverage this issue through a compromised agent to cause denial of service or heap corruption by injecting a specially crafted alert into the alerts log file monitored by wazuh-logcollector. This issue has been patched in version 4.14.4.
Severity ?
4.4 (Medium)
CWE
Assigner
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2025-15612 (GCVE-0-2025-15612)
Vulnerability from cvelistv5 – Published: 2026-03-27 18:16 – Updated: 2026-03-31 13:35
VLAI?
Title
Wazuh Provisioning Scripts / Build Infrastructure Improper Certificate Validation leading to MITM and RCE
Summary
Wazuh provisioning scripts and Dockerfiles contain an insecure transport vulnerability where curl is invoked with the -k/--insecure flag, disabling SSL/TLS certificate validation. Attackers with network access can perform man-in-the-middle attacks to intercept and modify downloaded dependencies or code during the build process, leading to remote code execution and supply chain compromise.
Severity ?
4.8 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wazuh | Wazuh Provisioning Scripts (Agent Build Environment) |
Affected:
>=4.1.3
(semver)
Unaffected: >=4.14.0 (semver) |
Date Public ?
2025-12-04 00:00
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CVE-2025-15617 (GCVE-0-2025-15617)
Vulnerability from cvelistv5 – Published: 2026-03-27 18:04 – Updated: 2026-03-31 14:34
VLAI?
Title
Wazuh GitHub Actions Workflow Exposure of Sensitive Credentials
Summary
Wazuh version 4.12.0 contains an exposure vulnerability in GitHub Actions workflow artifacts that allows attackers to extract the GITHUB_TOKEN from uploaded artifacts. Attackers can use the exposed token within a limited time window to perform unauthorized actions such as pushing malicious commits or altering release tags.
Severity ?
6.5 (Medium)
CWE
- CWE-522 - Insufficiently Protected Credentials
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wazuh | Wazuh (GitHub Actions) |
Affected:
4.12.0
(semver)
|
Date Public ?
2025-06-16 00:00
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CVE-2025-15616 (GCVE-0-2025-15616)
Vulnerability from cvelistv5 – Published: 2026-03-27 16:38 – Updated: 2026-03-27 19:46
VLAI?
Title
Wazuh Agent and Manager OS Command Injection and Untrusted Search Path
Summary
Wazuh wazuh-agent and wazuh-manager versions 2.1.0 before 4.8.0 contain multiple shell injection and untrusted search path vulnerabilities that allow attackers to execute arbitrary commands through various components including logcollector configuration, maild SMTP server tags, and Kaspersky AR script parameters. Attackers can exploit these vulnerabilities by injecting malicious commands through configuration files, SMTP server settings, and custom flags to achieve remote code execution on affected systems.
Severity ?
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Wazuh | wazuh-agent |
Affected:
2.1.0 , < 4.8.0
(semver)
|
|||||||
|
|||||||||
Credits
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CVE-2025-15615 (GCVE-0-2025-15615)
Vulnerability from cvelistv5 – Published: 2026-03-27 16:23 – Updated: 2026-03-27 19:43
VLAI?
Title
Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of Service
Summary
Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lack of renegotiation limits to consume CPU resources and render the authd service unavailable.
Severity ?
6.5 (Medium)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
<= 4.7.3
(semver)
Unaffected: >= 4.8.0 (semver) |
|||||||
|
|||||||||
Credits
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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
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CVE-2026-32983 (GCVE-0-2026-32983)
Vulnerability from cvelistv5 – Published: 2026-03-27 15:44 – Updated: 2026-03-30 12:10
VLAI?
Title
SSL/TLS Renegotiation DoS in Wazuh Manager authd service
Summary
Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lack of renegotiation limits to consume CPU resources and render the authd service unavailable.
Severity ?
6.5 (Medium)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Wazuh | wazuh-manager |
Affected:
<= 4.7.3
(semver)
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|||||||
|
|||||||||
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CVE-2026-32984 (GCVE-0-2026-32984)
Vulnerability from cvelistv5 – Published: 2026-03-27 15:02 – Updated: 2026-03-31 15:08
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
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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-2025-64483 (GCVE-0-2025-64483)
Vulnerability from cvelistv5 – Published: 2025-11-21 17:55 – Updated: 2026-02-06 19:24
VLAI?
Title
Wazuh API – Agent Configuration Has Improper Access Control in Agent Enrollment Endpoint
Summary
Wazuh is a security detection, visibility, and compliance open source project. From version 4.9.0 to before 4.13.0, the Wazuh API – Agent Configuration in certain configurations allows authenticated users with read-only API roles to retrieve agent enrollment credentials through the /utils/configuration endpoint. These credentials can be used to register new agents within the same Wazuh tenant without requiring elevated permissions through the UI. This issue has been patched in version 4.13.0.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| wazuh | wazuh-dashboard-plugins |
Affected:
>= 4.9.0, < 4.13.0
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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
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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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CVE-2025-62788 (GCVE-0-2025-62788)
Vulnerability from cvelistv5 – 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 cvelistv5 – 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-2025-62786 (GCVE-0-2025-62786)
Vulnerability from cvelistv5 – Published: 2025-10-29 15:52 – Updated: 2025-10-29 16:20
VLAI?
Title
Wazuh Vulnerable to Heap-based Buffer Out-Of-Bounds WRITE in decode_win_permissions
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. A heap-based out-of-bounds WRITE occurs in decode_win_permissions, resulting in writing a NULL byte 2 bytes before the start of the buffer allocated to decoded_it. A compromised agent can potentially leverage this issue to perform remote code execution, 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 achieve remote code execution on the wazuh manager (the exploitability of this vulnerability depends on the specifics of the respective heap allocator). This vulnerability is fixed in 4.10.2.
Severity ?
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-62785 (GCVE-0-2025-62785)
Vulnerability from cvelistv5 – Published: 2025-10-29 15:37 – Updated: 2025-10-29 16:10
VLAI?
Title
Wazuh fillData NULL pointer dereference causes analysisd crash
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_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 4.10.2.
Severity ?
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-59938 (GCVE-0-2025-59938)
Vulnerability from cvelistv5 – Published: 2025-09-27 00:27 – Updated: 2025-09-29 14:52
VLAI?
Title
Heap buffer overflow in wazuh-analysisd
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions starting from 3.8.0 to before 4.11.0, wazuh-analysisd is vulnerable to a heap buffer overflow when parsing XML elements from Windows EventChannel messages. This issue has been patched in version 4.11.0.
Severity ?
6.5 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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