CVE-2020-6656: eaton easysoft Improper Input Validation

Vulnerability summary

CVE-2020-6656 is a high (CVSS 7.8) Improper Input Validation vulnerability in eaton easysoft. EPSS estimates a 2.82% chance of exploitation in the next 30 days, higher than 86.4% of scored vulnerabilities.

Timeline

1. 07-01-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
• CWE-843Access of Resource Using Incompatible Type ('Type Confusion')The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.