Is CVE-2022-45789 in the CISA KEV catalog?

No. CVE-2022-45789 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-45789?

CVE-2022-45789 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2022-45789?

CVE-2022-45789 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-45789?

No published fix for CVE-2022-45789 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2022-45789

HIGH

8.1

CVSS v3

NVD

Description

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Affected Products: EcoStruxure Control Expert (All Versions), EcoStruxure Process Expert (All Versions), Modicon M340 CPU - part numbers BMXP34* (All Versions), Modicon M580 CPU - part numbers BMEP* and BMEH* (All Versions), Modicon M580 CPU Safety - part numbers BMEP58*S and BMEH58*S (All Versions)

CWE-294

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

download.schneider-electric.com

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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.