CVE & CISA-KEV Catalog

CVE-2021-45033

HIGH
8.8
CVSS v3
NVD

Description

A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < V16.20), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < V16.20), CP-8021 MASTER MODULE (All versions < V16.20), CP-8022 MASTER MODULE WITH GPRS (All versions < V16.20). An undocumented debug port uses hard-coded default credentials. If this port is enabled by a privileged user, an attacker aware of the credentials could access an administrative debug shell on the affected device.

CWE-798Hard-coded Credentials

How to fix

Remediation Available
cp-8000 master module with i\/o -25\/\+70 firmwareNVD
Affected:< 16.20Fixed in:16.20CVE-2021-45033derived from NVD
cp-8000 master module with i\/o -40\/\+70 firmwareNVD
Affected:< 16.20Fixed in:16.20CVE-2021-45033derived from NVD
cp-8021 master module firmwareNVD
Affected:< 16.20Fixed in:16.20CVE-2021-45033derived from NVD
cp-8022 master module with gprs firmwareNVD
Affected:< 16.20Fixed in:16.20CVE-2021-45033derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.91%probability of exploitation in 30 days
56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Related Vulnerabilities

Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-26138Critical9.898%KEV-
CVE-2024-3272Critical9.898%KEV-
CVE-2025-30406Critical9.094%KEVFix
CVE-2024-28987Critical9.193%KEVFix
CVE-2019-15976Critical9.893%-Fix
CVE-2024-20439Critical9.892%KEVFix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.