Wazuh
CVE-2021-41821
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. A crafted message must be sent from an authenticated agent to the manager.
AnalysisAI
Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-191. Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. A crafted message must be sent from an authenticated agent to the manager. Affected products include: Wazuh. Version information: through 4.1.5.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Wazuh SIEM platform versions 4.4.0 through 4.9.0 contain an unsafe deserialization vulnerability in the DistributedAPI t
In the wazuh-slack active response script in Wazuh 4.2.x before 4.2.5, untrusted user agents are passed to a curl comman
Path-traversal-driven root code execution affects the Wazuh security platform's cluster synchronization layer in version
Arbitrary file read in Wazuh cluster deployments (4.0.0 through 4.14.5, and 5.0.0-beta1/beta2) lets a peer node that alr
Arbitrary file write leading to root remote code execution affects Wazuh worker nodes in clustered deployments running v
A critical deserialization vulnerability in Wazuh's cluster mode allows attackers with access to any worker node to achi
Path traversal in Wazuh's ip-customblock active response script allows low-privileged remote attackers to create or dele
The agent in OSSEC through 3.1.0 on Windows allows local users to gain NT AUTHORITY\SYSTEM access via Directory Traversa
Cluster key disclosure in Wazuh Manager versions 4.0.0 through 4.14.4 enables a two-stage privilege escalation: a low-pr
CVE-2024-1243 is an improper input validation vulnerability in Wazuh agent for Windows (versions prior to 4.8.0) that al
Argument injection in Wazuh active response scripts (versions 4.2.0-4.14.6) allows a low-privileged network attacker who
Cluster secret exposure in Wazuh 4.14.0-4.14.6 stems from a logic inversion in the RBAC masking gate that counterintuiti
Same weakness CWE-191 – Integer Underflow
View allSame technique Integer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today