TI-2019-07123 Aliases CVE-2019-9729 GHSA-2cjm-39g8-5fv8

In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation…

LOW 36CWE-129Published 2019-03-12 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-129 and the CVSS impact.

Summary

In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.

Why it matters now

EPSS 0.01047 64th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:shanda:maplestory_online:160.0:::::::*	160.0	Vulnerable	Shanda

cpe:2.3:a:shanda:maplestory_online:160.0:*:*:*:*:*:*:* Versions 160.0 Vulnerable ·Shanda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-9729
2026-10-03 Alias added: GHSA-2cjm-39g8-5fv8

References

Exploit 1

https://github.com/DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences