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Fencer Vulns
medium 6.3

CVE-2022-4857 json

Modbus Tools Modbus Poll mbp File mbpoll.exe buffer overflow

published 2022-12-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52123

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Poll/Modbus%20Poll%20(version%209.10.0%20and%20earlier)%20mbp%20file%20has%20a%20buffer%20overflow%20vulnerability.md referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Poll/poc/poc.mbp referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Modbus Tools Modbus Poll

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.