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.
CVE-2021-21958
Published Date: 2022-02-16T17:15Z
Last Modified: 2022-05-12T20:03Z
CVSS Score: 7.8 (HIGH)
EPSS Score: 0.11%
Risk Score: 5.46 (HIGH)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
7.8 |
EPSS:
0.11%
Mitre ATT&CK Technical v15.1
T1204.002 – Malicious File
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
Vendor - Produce - Version
hancom_office_2020 - hancom
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