How severe is CVE-2022-4857?

CVE-2022-4857 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-4857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4857?

CVE-2022-4857 affects Modbustools Modbus Poll. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4857?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-4857 published?

CVE-2022-4857 was published on 2022-12-30 and last updated on 2026-06-17.

CVE-2022-4857

CVE-2022-4857 is a medium-severity vulnerability in Modbustools Modbus Poll with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Modbustools Modbus Poll
Published: 2022-12-30
Last modified: 2026-06-17

Description

A vulnerability was found in Modbus Tools Modbus Poll up to 9.10.0 and classified as critical. Affected by this issue is some unknown functionality of the file mbpoll.exe of the component mbp File Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-217022 is the identifier assigned to this vulnerability.

Frequently asked questions

What is CVE-2022-4857?: A vulnerability was found in Modbus Tools Modbus Poll up to 9.10.0 and classified as critical. Affected by this issue is some unknown functionality of the file mbpoll.exe of the component mbp File Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-217022 is the identifier assigned to this vulnerability.
How severe is CVE-2022-4857?: CVE-2022-4857 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-4857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4857?: CVE-2022-4857 affects Modbustools Modbus Poll. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4857?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4857 published?: CVE-2022-4857 was published on 2022-12-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:modbustools:modbus_poll:*:*:*:*:*:*:*:*

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