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CVE-2025-27458

Quick assessment

Affected
Endress+Hauser Endress+Hauser MEAC300-FNADE4
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.

Endress+Hauser MEAC300-FNADE4是越南Endress+Hauser公司的一款具有成本效益的排放数据管理计算机。 Endress+Hauser MEAC300-FNADE4存在安全漏洞，该漏洞源于基于挑战响应系统的认证机制使用相同密码加密，可能导致密码泄露。

CVSS 6.5 · Medium EPSS 0.21% · P9

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2025-27458

Vulnerability Information
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Vulnerability Title
CVE-2025-27458
Source: CVE Program / CVE List V5
Vulnerability Description
The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The challenge is sent from the server to the client, is encrypted by the client and sent back. The server does the same encryption locally and if the responses match it is prooven that the client knows the correct password. Since all VNC communication is unencrypted, an attacker can obtain the challenge and response and try to derive the password from this information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Endress+Hauser MEAC300-FNADE4 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Endress+Hauser MEAC300-FNADE4是越南Endress+Hauser公司的一款具有成本效益的排放数据管理计算机。 Endress+Hauser MEAC300-FNADE4存在安全漏洞，该漏洞源于基于挑战响应系统的认证机制使用相同密码加密，可能导致密码泄露。
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
Endress+Hauser Endress+Hauser MEAC300-FNADE4 vers:all/* -

II. Public POCs for CVE-2025-27458

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III. Intelligence Information for CVE-2025-27458

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Same Patch Batch · Endress+Hauser · 2025-07-03 · 19 CVEs total

CVE-2025-1708 8.6 HIGH CVE-2025-1708
CVE-2025-27461 7.6 HIGH CVE-2025-27461
CVE-2025-27460 7.6 HIGH CVE-2025-27460
CVE-2025-27456 7.5 HIGH CVE-2025-27456
CVE-2025-1710 7.5 HIGH CVE-2025-1710
CVE-2025-27449 7.5 HIGH CVE-2025-27449
CVE-2025-27447 7.4 HIGH CVE-2025-27447
CVE-2025-27448 6.8 MEDIUM CVE-2025-27448
CVE-2025-27450 6.5 MEDIUM CVE-2025-27450
CVE-2025-27457 6.5 MEDIUM CVE-2025-27457
CVE-2025-1709 6.5 MEDIUM CVE-2025-1709
CVE-2025-27452 5.3 MEDIUM CVE-2025-27452
CVE-2025-27453 5.3 MEDIUM CVE-2025-27453
CVE-2025-27451 5.3 MEDIUM CVE-2025-27451
CVE-2025-27459 4.4 MEDIUM CVE-2025-27459
CVE-2025-27454 4.3 MEDIUM CVE-2025-27454
CVE-2025-1711 4.3 MEDIUM CVE-2025-1711
CVE-2025-27455 4.3 MEDIUM CVE-2025-27455

IV. Related Vulnerabilities

Same product: Endress+Hauser MEAC300-FNADE4
Same vendor: Endress+Hauser
Same weakness: CWE-327

V. Comments for CVE-2025-27458

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