CVE-2021-39819 is a vulnerability in Adobe Incopy
Published on September 27, 2021
Adobe InCopy Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution
Adobe InCopy version 11.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious XML file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
Vulnerability Analysis
CVE-2021-39819 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Access of Memory Location After End of Buffer
The software reads or writes to a buffer using an index or pointer that references a memory location after the end of the buffer. This typically occurs when a pointer or its index is decremented to a position before the buffer; when pointer arithmetic results in a position before the buffer; or when a negative index is used, which generates a position before the buffer.
Products Associated with CVE-2021-39819
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Affected Versions
Adobe InCopy:- Version unspecified, <= 16.3 is affected.
- Version unspecified, <= 16.3.1 is affected.
- Version unspecified, <= None 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.