CVE-2022-4857

Modbus Tools Modbus Poll mbp File mbpoll.exe buffer overflow

6.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.70%Down 0.3 points since Dec 31, 2022

What each source reports

CVE List Score used 6.3

Modbus Tools Modbus Poll mbp File mbpoll.exe buffer overflow

Record: CVE-2022-4857
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.0: 6.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 2.0: 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-120
Updated: 2026-11-02

EUVDEUVD-2022-52123 6.3

Record: EUVD-2022-52123
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5qf6-g6p6-fq89 7.8

A vulnerability was found in Modbus Tools Modbus Poll up to 9.10.0 and classified as critical....

Record: GHSA-5qf6-g6p6-fq89
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-120
Updated: 2026-11-02

NVD 6.3

Record: CVE-2022-4857
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-120
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-4857 is a medium vulnerability (CVSS 6.3) in Modbus Tools Poll, published December 30, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.