Path Traversal in Microsoft Windows

CVE-2019-17180

Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-17180?
CVE-2019-17180 is a high-severity vulnerability in Microsoft Windows, classified under Path Traversal. CVSS score: 7.8/10. Published 2019-10-04.
How severe is CVE-2019-17180?
High severity. CVSS v3 base score is 7.8 out of 10.