CVE-2020-6656
File parsing Type Confusion Remote code execution vulerability
Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
File parsing Type Confusion Remote code execution vulerability
Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
- Record
CVE-2020-6656- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L - Weakness
- CWE-843, CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2020-27803
Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
- Record
EUVD-2020-27803- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3vf9-hrcp-mj3p No score
Eaton's easySoft software v7.20 and prior are susceptible to file parsing type confusion remote...
Eaton's easySoft software v7.20 and prior are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
- Record
GHSA-3vf9-hrcp-mj3p- Weakness
- CWE-843
- Updated
- 2026-11-02
NVD
Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.
- Record
CVE-2020-6656- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-843
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-6656 is a medium vulnerability (CVSS 5.8) in Eaton Easysoft, published January 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.82%, the 86th percentile. No source names a fixed version.
References
eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisory.pdf
zerodayinitiative.com/advisories/ZDI-20-1441
us-cert.cisa.gov/ics/advisories/icsa-21-007-03
nvd.nist.gov/vuln/detail/CVE-2020-6656
github.com/advisories/GHSA-3vf9-hrcp-mj3p