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CVE-2025-62003— BullWall Server Intrusion Protection RDP MFA connection delay

Quick assessment

Affected
BullWall Server Intrusion Protection
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.

BullWall Server Intrusion Protection是丹麦BullWall公司的一个服务器安全软件。 BullWall Server Intrusion Protection 4.6.0.0版本、4.6.0.6版本、4.6.0.7版本和4.6.1.4版本存在安全漏洞，该漏洞源于MFA检查延迟，可能导致特权攻击者在窗口期绕过检测。

CVSS 7.5 · High EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-62003

Vulnerability Information
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Vulnerability Title
BullWall Server Intrusion Protection RDP MFA connection delay
Source: CVE Program / CVE List V5
Vulnerability Description
BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for RDP connections. A remote, authenticated attacker can potentially bypass detection during this delay. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 are affected. Other versions may also be affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
BullWall Server Intrusion Protection 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BullWall Server Intrusion Protection是丹麦BullWall公司的一个服务器安全软件。 BullWall Server Intrusion Protection 4.6.0.0版本、4.6.0.6版本、4.6.0.7版本和4.6.1.4版本存在安全漏洞，该漏洞源于MFA检查延迟，可能导致特权攻击者在窗口期绕过检测。
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
BullWall Server Intrusion Protection 4.6.0.0 ~ * -

II. Public POCs for CVE-2025-62003

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III. Intelligence Information for CVE-2025-62003

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Vendor Advisories for CVE-2025-62003 (1)

Other References for CVE-2025-62003 (2)

Same Patch Batch · BullWall · 2025-12-18 · 5 CVEs total

CVE-2025-62001 8.8 HIGH BullWall Ransomware Containment hard-coded folder exclusions
CVE-2025-62004 7.5 HIGH BullWall Server Intrusion Protection (SIP) initialization race condition
CVE-2025-62000 7.1 HIGH BullWall Ransomware Containment incomplete file inspection
CVE-2025-62002 4.3 MEDIUM BullWall Ransomware Containment file count detection bypass

IV. Related Vulnerabilities

Same product: Server Intrusion Protection
Same vendor: BullWall
Same weakness: CWE-367

V. Comments for CVE-2025-62003

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