CVE-2019-12805
NC Launcher 2 Arbitrary Command Injection Vulnerability
CVE-2019-12805 is a high vulnerability (CVSS 8.8) in Ncsoft Nc Launcher2, published August 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.93%, the 87th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
NC Launcher 2 Arbitrary Command Injection Vulnerability
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.
- Record
CVE-2019-12805- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2019-4387
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.
- Record
EUVD-2019-4387- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fmvh-gcvc-qpm3
NCSOFT Game Launcher, NC Launcher2 2.4.1.691 and earlier versions have a vulnerability in the...
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.
- Record
GHSA-fmvh-gcvc-qpm3- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2019-12805- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |