What is CVE-2019-13047?

CVE-2019-13047 is a high-severity vulnerability in Toaruos Project, classified under Missing Authorization. CVSS score: 7.8/10. Published 2019-06-29.

How severe is CVE-2019-13047?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Toaruos Project

CVE-2019-13047

kernel/sys/syscall.c in ToaruOS through 1.10.9 has incorrect access control in sys_sysfunc case 9 for TOARU_SYS_FUNC_SETHEAP, allowing arbitrary kernel pages to be mapped into user land, leading to root access.

Vulnerability class: Broken Access Control

Published 2019-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.2th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Toaruos Project

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc.c (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-13047?: CVE-2019-13047 is a high-severity vulnerability in Toaruos Project, classified under Missing Authorization. CVSS score: 7.8/10. Published 2019-06-29.
How severe is CVE-2019-13047?: High severity. CVSS v3 base score is 7.8 out of 10.