CVE-2022-33896
HIGHDescription
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 41% of all known CVEs.
References
Related Vulnerabilities
Other CWE-124 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2015-2426 | High | 8.8 | 87% | KEV | - |
| CVE-2023-25610 | Critical | 9.8 | 18% | - | Fix |
| CVE-2018-5388 | Medium | 6.5 | 4.0% | - | Fix |
| CVE-2018-15361 | Critical | 9.8 | 2.9% | - | Fix |
| CVE-2021-36064 | High | 7.8 | 2.7% | - | Fix |
| CVE-2023-48230 | Medium | 5.9 | 1.9% | - | Fix |
Common questions
How do I fix CVE-2022-33896?
No published fix for CVE-2022-33896 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2022-33896 being actively exploited?
Not that we know of. CVE-2022-33896 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 41% of all scored CVEs.
How severe is CVE-2022-33896?
CVE-2022-33896 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.