H

Hancom

D
RISKY
4
Total CVEs
4
Crit / High
0
Medium
78%
Unpatched
0%
Patched
7.8
Avg CVSS
0
CISA KEV
// Data sourced from NVD · CISA KEV · RHSA · GHSA · Debian · OSV · EPSS · Exploit-DB How we collect data →
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▸ CVE Trend by Year
▸ Patch Coverage
Patched
0%
Unpatched
78%
Under Review
22%
✓ 0 patched ✗ 7 unpatched ~ 2 under review
▸ Intelligence by Audience
PoC Available
6 / 20 shown
CISA KEV (Exploited)
0
Top EPSS (Exploitation Probability)
CVE-2017-2819 1.66% exploitation probability
CVE-2021-21958 1.10% exploitation probability
CVE-2023-50235 0.81% exploitation probability
CVE-2023-50234 0.78% exploitation probability
CVE-2023-32541 0.66% exploitation probability
Quick Facts for Reporting
Total CVEs tracked
4
Critical severity
0
Actively exploited (CISA)
0
Unpatched ratio
78%
Avg CVSS score
7.8
Security grade
D (RISKY)
NVD Data Attribution
Source: NIST National Vulnerability Database (NVD) + GitHub Advisory Database.
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-06-10
Security Risk Score (for investors)
LOW
Vuln Volume
POOR
Patch Responsiveness
LOW
CISA Exposure
⚠ Not financial advice. Past security incidents do not guarantee future stock performance.
▸ Security News Google News
HWP as an Attack Surface: What Hancom’s Hangul Word Processor Means for South Korea’s Cyber Posture as a US Ally - 38 North
38 North 2025-10-27
Codegate 2026 pits Korea’s white-hat hackers against AI in cybersecurity test - CHOSUNBIZ - Chosunbiz
Chosunbiz 2026-07-21
North Korean hackers exploit HWP to install malware across Korea - CHOSUNBIZ - Chosunbiz
Chosunbiz 2025-12-26
91st Cyber Brigade activated as Army National Guard's first cyber brigade - Army.mil
Army.mil 2017-09-29
▸ Recent CVEs showing 20 of 9
CVE IDSeverityPatchEPSSDate
CVE-2025-29867 8.5 HIGH PATCH UNDER REVIEW 0.27% 2026-02-04
CVE-2023-51598 PoC 7.0 HIGH UNKNOWN / UNPATCHED 0.65% 2024-05-03
CVE-2023-50235 PoC 7.8 HIGH UNKNOWN / UNPATCHED 0.81% 2024-05-03
CVE-2023-50234 PoC 7.8 HIGH UNKNOWN / UNPATCHED 0.78% 2024-05-03
CVE-2023-40250 8.8 HIGH PATCH UNDER REVIEW 0.56% 2024-01-12
CVE-2023-32541 PoC 8.8 HIGH UNKNOWN / UNPATCHED 0.66% 2023-09-26
CVE-2022-33896 7.8 HIGH UNKNOWN / UNPATCHED 0.52% 2022-10-07
CVE-2021-21958 PoC 7.8 HIGH UNKNOWN / UNPATCHED 1.10% 2022-02-16
CVE-2017-2819 PoC 8.8 HIGH UNKNOWN / UNPATCHED 1.66% 2017-05-24
View all 9 CVEs for Hancom →
▸Intel
Trust ScoreD — RISKY
Max CVSS8.8
Last Updated2026-06-10
▸Top Weaknesses
CWE-121
Unknown Weakness Type
2 occurrences in Hancom CVEs (50% of total)
CWE-121 ⓘ
2
CWE-416
Use After Free
1 occurrence in Hancom CVEs (25% of total)
CWE-416 ⓘ
1
CWE-120
Buffer Copy Without Size Check
1 occurrence in Hancom CVEs (25% of total)
CWE-120 ⓘ
1
▸Response Metrics
Est. MTTR ⓘ ~500 days (Critical)
Mean Time To Remediate. Estimates days from CVE disclosure to patch.
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
Patch Speed ⓘ Poor (>65% open)
78% of CVEs still unpatched.  Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
▸ Financial Risk Estimate
Est. GDPR Low
€600K
Est. GDPR High
€6.0M

Based on 0 critical CVEs, 0 CISA KEV, 100% unpatched. Model: GDPR Art.83 · not legal advice.

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