CVE-2025-27456

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-307

Affected software

No affected versions have been published.

Timeline

Published: Jul 3, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2025

CVE-2025-274577.5All communication between the VNC server and client(s) is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive CVE-2025-274587.5The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The CVE-2025-274597.5The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords CVE-2025-27469.8An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of em CVE-2025-274606.8The hard drives of the device are not encrypted using a full volume encryption feature such as BitLocker. This allows an attacker with physi CVE-2025-274616.8During startup, the device automatically logs in the EPC2 Windows user without requesting a password.CVE-2025-274629.4[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windo CVE-2025-274639.4[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows CVE-2025-274649.4[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows CVE-2025-274654.3Certain instructions need intercepting and emulating by Xen. In some cases Xen emulates the instruction by replaying it, using an executabl CVE-2025-274669.8[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] There are CVE-2025-274677.8Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.