CVE-2021-38406 is a vulnerability in Deltaww Dopsoft
Published on September 17, 2021
Delta Electronics DOPSoft 2 Out-of-Bounds Write
Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.
Known Exploited Vulnerability
This Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.
The following remediation steps are recommended / required by September 15, 2022: The impacted product is end-of-life and should be disconnected if still in use.
Vulnerability Analysis
CVE-2021-38406 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2021-38406 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2021-38406
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Affected Versions
Delta Electronics DOPSoft 2:- Version unspecified, <= 2.00.07 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.