CVE-2023-7340

low-risk
Published 2026-03-27

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10 Low
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Wazuh

References (2)

Exploit https://github.com/wazuh/wazuh/security/advisories/GHSA-grjq-p5fg-m24r
Third Party Advisory https://www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd
23
/ 100
low-risk
Severity 16/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low