CVE-2025-27458
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I. Basic Information for CVE-2025-27458
Vulnerability Information
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Vulnerability Title
CVE-2025-27458
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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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 weakness: CWE-327
- CVE-2026-6411
MAXHUB Pivot Client Application Use of a Broken or Risky Cry - CVE-2026-44405
Paramiko 加密问题漏洞 - CVE-2026-32959
Silex SD-330AC和Silex AMC Manager 安全漏洞 - CVE-2026-5588
PKIX draft CompositeVerifier accepts empty signature sequenc - CVE-2025-14813
GOSTCTR implementation unable to process more than 255 block
V. Comments for CVE-2025-27458
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