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CVE-2025-15615— Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of Service

Quick assessment

Affected
Wazuh wazuh-manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wazuh是Wazuh开源的一个应用软件。用于收集，汇总，索引和分析安全数据，帮助组织检测入侵，威胁和行为异常。 Wazuh 4.7.3及之前版本存在安全漏洞，该漏洞源于对客户端发起的SSL/TLS重新协商限制不当，可能导致远程攻击者造成拒绝服务。

CVSS 5.8 · Medium EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood

Affected Version Matrix 4

VendorProduct Version RangeStatus
Wazuh wazuh-manager <= 4.7.3 affected
>= 4.8.0 unaffected
<= 4.7.3 affected
>= 4.8.0 unaffected
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I. Basic Information for CVE-2025-15615

Vulnerability Information
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Vulnerability Title
Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Wazuh 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wazuh是Wazuh开源的一个应用软件。用于收集，汇总，索引和分析安全数据，帮助组织检测入侵，威胁和行为异常。 Wazuh 4.7.3及之前版本存在安全漏洞，该漏洞源于对客户端发起的SSL/TLS重新协商限制不当，可能导致远程攻击者造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wazuh wazuh-manager <= 4.7.3 -
Wazuh wazuh-manager <= 4.7.3 -

II. Public POCs for CVE-2025-15615

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III. Intelligence Information for CVE-2025-15615

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Vendor Advisories for CVE-2025-15615 (2)

Same Patch Batch · Wazuh · 2026-03-27 · 7 CVEs total

CVE-2025-15616 6.7 MEDIUM Wazuh Agent and Manager OS Command Injection and Untrusted Search Path
CVE-2025-15617 6.5 MEDIUM Wazuh GitHub Actions Workflow Exposure of Sensitive Credentials
CVE-2026-32983 5.8 MEDIUM SSL/TLS Renegotiation DoS in Wazuh Manager authd service
CVE-2025-15612 4.8 MEDIUM Wazuh Provisioning Scripts / Build Infrastructure Improper Certificate Validation leading
CVE-2026-32984 3.5 LOW Heap buffer overflow in wazuh-authd
CVE-2023-7340 3.5 LOW Wazuh authd service (os_auth) Heap-based Buffer Overflow

IV. Related Vulnerabilities

Same product: wazuh-manager
Same vendor: Wazuh
Same weakness: CWE-276

V. Comments for CVE-2025-15615

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