SB2022122169 - Hard-coded cryptographic key in Serv-U FTP Server



SB2022122169 - Hard-coded cryptographic key in Serv-U FTP Server

Published: December 21, 2022

Security Bulletin ID SB2022122169
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2021-35252)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of a common encryption key across all deployed instances of Serv-U FTP Server. A remote attacker with access to the encryption key can decrypt any information stored on the servers.


Remediation

Install update from vendor's website.