Executive Summary



This vulnerability is currently undergoing analysis and not all information is available. Please check back soon to view the completed vulnerability summary
Informations
Name CVE-2025-27458 First vendor Publication 2025-07-03
Vendor Cve Last vendor Modification 2025-07-03

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27458

Sources (Detail)

https://sick.com/psirt
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
https://www.endress.com
https://www.first.org/cvss/calculator/3.1
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf
Source Url

Alert History

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0
Date Informations
2025-07-03 17:20:33
  • First insertion