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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- amonitoring.ru/article/steam_vuln_3/ (Exploit, Third Party Advisory)
- habr.com/ru/company/pm/blog/469507/ (Exploit, Third Party Advisory)
- hackerone.com/reports/682774 (Exploit, Third Party Advisory)
- store.steampowered.com/news/54236/ (Release Notes, Vendor Advisory)
- hackerone.com/reports/583184
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.