Is CVE-2023-7340 actively exploited?

CVE-2023-7340 has no public evidence of in-the-wild exploitation as of 2026-03-31.

What is the CVSS score for CVE-2023-7340?

CVE-2023-7340 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2023-7340?

Patch guidance is available from wazuh security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-7340.

Which products are affected by CVE-2023-7340?

2 products: wazuh wazuh, wazuh wazuh.

CVE-2023-7340 - remediation guidance & executive summary

Description

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.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: WAZUH
Published: 3/27/2026
Last Modified: 3/31/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-7340

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary