CVE-2020-6655 json
File parsing Out-Of-Bounds read remote code execution
published 2021-01-07 5 y ago modified 2026-06-17 4 mo 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
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 <= 7.20affected: 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, 2026-11-08).
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
References
-
eaton.com
/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisor
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-1443/
third-party-advisory, vdb-entry
-
us-cert.cisa.gov
/ics/advisories/icsa-21-007-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2020-6655
- NVD CVE-2020-6655
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.