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CVE-2019-17180

25
FAUCET Score

CVE-2019-17180 describes a vulnerability in the Valve Steam Client, affecting both Windows and SteamOS, that allows an authenticated local attacker to manipulate filesystem content. This flaw, with a CVSS v3.1 score of 7.8 (High), could lead to denial of service, elevation of privilege, or other unspecified impacts due to its low attack complexity and lack of user interaction. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2019-09-12CPE matchmatch criteria
cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 87th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

amonitoring.ru / article/steam_vuln_3
ExploitThird Party Advisory
habr.com / ru/company/pm/blog/469507
ExploitThird Party Advisory
hackerone.com / reports/583184
hackerone.com / reports/682774
ExploitThird Party Advisory
store.steampowered.com / news/54236
Release NotesVendor Advisory