CVE-2022-33896 is a buffer underflow vulnerability in Hancom Office 2020 version 11.0.0.5357, specifically within its Hword component when parsing XML-based office files. This flaw allows a specially crafted, malformed file to cause memory corruption, potentially leading to arbitrary code execution if a user opens the malicious file. Rated as High severity (CVSS 7.8), it requires user interaction and local access for exploitation, with high impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.0.0.5357CPE matchmatch criteria | cpe:2.3:a:hancom:hancom_office_2020:11.0.0.5357:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.