VULNERABILITY INTELLIGENCE

CVE-2021-38459

CVSS score8.1 HIGH
EPSS probability1.01%
CISA KEVNot currently listed
Published2021-10-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The data of a network capture of the initial handshake phase can be used to authenticate at a SYSDBA level. If a specific .exe is not restarted often, it is possible to access the needed handshake packets between admin/client connections. Using the SYSDBA permission, an attacker can change user passwords or delete the database.

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-294

Primary references