How severe is CVE-2019-12804?

CVE-2019-12804 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-12804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12804?

CVE-2019-12804 affects Hunesion I-onenet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12804?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-12804 published?

CVE-2019-12804 was published on 2019-07-10 and last updated on 2026-06-17.

CVE-2019-12804

CVE-2019-12804 is a medium-severity vulnerability in Hunesion I-onenet with a CVSS 3.x base score of 5.5. 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-345.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Hunesion I-onenet
Published: 2019-07-10
Last modified: 2026-06-17

Description

In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, due to the lack of update file integrity checking in the upgrade process, an attacker can craft malicious file and use it as an update.

Frequently asked questions

What is CVE-2019-12804?: In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, due to the lack of update file integrity checking in the upgrade process, an attacker can craft malicious file and use it as an update.
How severe is CVE-2019-12804?: CVE-2019-12804 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-12804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12804?: CVE-2019-12804 affects Hunesion I-onenet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12804 published?: CVE-2019-12804 was published on 2019-07-10 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35073

Affected products (1)

cpe:2.3:a:hunesion:i-onenet:*:*:*:*:*:*:*:*

More vulnerabilities in Hunesion I-onenet

CVE-2019-12803 — Critical (CVSS 9.8): In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, the specific upload web module doesn't verify the file…
CVE-2017-16900 — Medium (CVSS 5.5): Incorrect Access Control in Hunesion i-oneNet 3.0.6042.1200 allows the local user to access other user's information…

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