CVE-2023-7340
LOWWazuh authd service (os_auth) Heap-based Buffer Overflow
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
https://github.com/wazuh/wazuh/security/advisories/GHSA-grjq-p5fg-m24r
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd
Scores
CVSS v3
3.5
EPSS
0.0003
EPSS Percentile
9.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (4)
wazuh/wazuh
4.3.10
wazuh/wazuh
< 3.5.0
Wazuh/Wazuh
3.5.0
Wazuh/Wazuh
4.3.10
Published
Mar 27, 2026
Tracked Since
Mar 29, 2026