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CVE-2019-17180
Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file…
High7.8EPSS 0.72%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Timeline
ID reserved
By mitre
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.72% · top 46% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://amonitoring.ru/article/steam_vuln_3/ (opens in a new tab)x_refsource_MISCx_transferred
- https://habr.com/ru/company/pm/blog/469507/ (opens in a new tab)x_refsource_MISCx_transferred
- https://hackerone.com/reports/682774 (opens in a new tab)x_refsource_MISCx_transferred
- https://store.steampowered.com/news/54236/ (opens in a new tab)x_refsource_MISCx_transferred
- https://hackerone.com/reports/583184 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-17180)Record last updated .