CVE-2018-5195
CVE-2018-5195 is a critical-severity vulnerability in Hancom Thinkfree Office Neo with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Hancom Thinkfree Office Neo
- Published:
- Last modified:
Description
Hancom NEO versions 9.6.1.5183 and earlier have a buffer Overflow vulnerability that leads remote attackers to execute arbitrary commands when performing the hyperlink Attributes in document.
Frequently asked questions
- What is CVE-2018-5195?
- Hancom NEO versions 9.6.1.5183 and earlier have a buffer Overflow vulnerability that leads remote attackers to execute arbitrary commands when performing the hyperlink Attributes in document.
- How severe is CVE-2018-5195?
- CVE-2018-5195 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-5195 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-5195?
- CVE-2018-5195 affects Hancom Thinkfree Office Neo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-5195?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-5195 published?
- CVE-2018-5195 was published on 2018-01-17 and last updated on 2026-06-17.
References
- http://help.hancom.com/cve/hoffice/en-US/CVE_en_050_01.htm
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=26983
Affected products (1)
- cpe:2.3:a:hancom:thinkfree_office_neo:*:*:*:*:*:*:*:*
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