How severe is CVE-2019-12805?

CVE-2019-12805 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12805 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12805?

CVE-2019-12805 affects Ncsoft Nc Launcher2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12805?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-12805 published?

CVE-2019-12805 was published on 2019-08-09 and last updated on 2026-06-17.

CVE-2019-12805

CVE-2019-12805 is a high-severity vulnerability in Ncsoft Nc Launcher2 with a CVSS 3.x base score of 8.8. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Ncsoft Nc Launcher2
Published: 2019-08-09
Last modified: 2026-06-17

Description

NCSOFT Game Launcher, NC Launcher2 2.4.1.691 and earlier versions have a vulnerability in the custom protocol handler that could allow remote attacker to execute arbitrary command. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page. This can be leveraged for code execution in the context of the current user.

Frequently asked questions

What is CVE-2019-12805?: NCSOFT Game Launcher, NC Launcher2 2.4.1.691 and earlier versions have a vulnerability in the custom protocol handler that could allow remote attacker to execute arbitrary command. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page. This can be leveraged for code execution in the context of the current user.
How severe is CVE-2019-12805?: CVE-2019-12805 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12805 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12805?: CVE-2019-12805 affects Ncsoft Nc Launcher2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12805?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-12805 published?: CVE-2019-12805 was published on 2019-08-09 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35106

Affected products (1)

cpe:2.3:a:ncsoft:nc_launcher2:*:*:*:*:*:*:*:*

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