CVE-2021-21958
- State
- Published
- Severity
- 7.8 High
- Published
- Feb 16, 2022
- Updated
- Apr 15, 2025
- Reserved
- Jan 4, 2021
Description
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.8 High | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | talos |
Weaknesses
- CWE-122 Heap-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
Hancomn/a |
|
References
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