Is CVE-2021-45034 in the CISA KEV catalog?

No. CVE-2021-45034 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45034?

CVE-2021-45034 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-45034?

CVE-2021-45034 has an EPSS score of 2.31% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45034?

Upgrade cp-8000 master module with i\/o -25\/\+70 firmware to 16.20 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-45034

HIGHEPSS 81th pctl

7.5

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). The web server of the affected system allows access to logfiles and diagnostic data generated by a privileged user. An unauthenticated attacker could access the files by knowing the corresponding download links.

CWE-284Improper Access Control CWE-532

How to fix

Remediation Available

cp-8000 master module with i\/o -25\/\+70 firmwareNVD

Affected:< 16.20Fixed in:16.20CVE-2021-45034derived from NVD

cp-8000 master module with i\/o -40\/\+70 firmwareNVD

Affected:< 16.20Fixed in:16.20CVE-2021-45034derived from NVD

cp-8021 master module firmwareNVD

Affected:< 16.20Fixed in:16.20CVE-2021-45034derived from NVD

cp-8022 master module with gprs firmwareNVD

Affected:< 16.20Fixed in:16.20CVE-2021-45034derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.31%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Exploit2

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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.