VULNERABILITY INTELLIGENCE

CVE-2021-38457

CVSS score9.8 CRITICAL

EPSS probability1.33%

CISA KEVNot currently listed

Published2021-10-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.

Weakness classification

CWE-284: Improper Access Control
CWE-306: Missing Authentication for Critical Function

Primary references

ics-cert@hq.dhs.gov — Patch, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory, US Government Resource