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

Status: published. Published: 2026-03-27. Updated: 2026-11-08.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Wazuh / wazuh-manager (wazuh-manager (deb)): <= 4.7.3 (affected, custom); >= 4.8.0 (unaffected, custom). Source: CNA: VulnCheck
- Wazuh / wazuh-manager (wazuh-manager (rpm)): <= 4.7.3 (affected, custom); >= 4.8.0 (unaffected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L; source: CNA: VulnCheck

- CVSS 3.1: 5.8 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.52% as of 2026-11-08; percentile 44.23%

- SSVC: exploitation poc; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-276

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/wazuh/wazuh/security/advisories/GHSA-rr83-v9v7-jjhp (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/ssl-tls-renegotiation-dos-in-wazuh-manager-authd-service (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2025-15615; retrieved 2026-11-08; source updated 2026-11-08

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-15615; retrieved 2026-11-08; source updated Not reported

Revision: 979dada564412d1bf4ae9fd103e5d42f43d71e111458deb7d1c5a2ea278a8101

Canonical: https://y2.dev/cve/CVE-2025-15615

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