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CVE-2017-2819

20
FAUCET Score

CVE-2017-2819 describes a heap-based buffer overflow vulnerability in the Hangul Word Processor component of Hancom Thinkfree Office NEO (version 9.6.1.4902). This flaw, specifically an integer underflow leading to a buffer overflow, could allow an attacker to achieve code execution within the context of the application by tricking a user into opening a specially crafted document. Rated with a CVSS score of 7.8 (High), this vulnerability requires user interaction (UI:R) and local access (AV:L) to exploit, but once triggered, it can lead to high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). The attack complexity is low (AC:L). Currently, there is no evidence of active exploitation (KEV: No), nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
9.6.1.4350CPE matchmatch criteria
cpe:2.3:a:hancom:hangul_word_processor:9.6.1.4350:*:*:*:*:*:*:*
9.6.1.4902CPE matchmatch criteria
cpe:2.3:a:hancom:thinkfree_office_neo:9.6.1.4902:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0166 is in the 73rd percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

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.

Media 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

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2017-0320
ExploitThird Party AdvisoryVDB Entry