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Fencer Intel
medium 5.8

CVE-2020-6655 json

File parsing Out-Of-Bounds read remote code execution

published 5y ago modified 4mo ago also EUVD-2020-27802

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The Eaton's easySoft software v7.xx prior to v7.22 are susceptible to Out-of-bounds remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user to upload the malformed .E70 file in the application. The vulnerability arises due to improper validation and parsing of the E70 file content by the application.

Patch / fix

  • eaton easysoft 7.22

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-007-03 updated cvss 5.8

Eaton EASYsoft (Update A)

  • Eaton EASYsoft <= 7.20
    affected: mitigation “Eaton has patched the issues and released Version 7.22, which can be downloaded from Eaton's website.” eaton.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.77% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Eaton easySoft Software

Classification

Weakness

References

Sources

Fencer Intel 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.