CVE-2021-46304

HIGH
7.5
CVSS Score
Published: August 10, 2022 at 11:17 AM UTC
Updated: June 17, 2026 at 04:14 AM UTC
8 products affected across 1 vendorCp 8021 Master Module FirmwareCp 8000 Master Module with I/o 25/+70 FirmwareCp 8022 Master Module with Gprs Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions), CP-8021 MASTER MODULE (All versions), CP-8022 MASTER MODULE WITH GPRS (All versions). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
siemens-cp-8000-master-module-with-i-o-25-70 (same device)
All versions
siemens-cp-8000-master-module-with-i-o-40-70 (same device)
All versions
siemens-cp-8021-master-module (same device)
All versions
siemens-cp-8022-master-module-with-gprs (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-Other

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