U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. VulnerabilitiesSearch And Statistics

Search Results (Refine Search)

Search Parameters:
  • Keyword (text search): cpe:2.3:a:valvesoftware:steam_client:2018-11-08:*:*:*:*:*:*:*
  • CPE Name Search: true
There are 5 matching records.
Displaying matches 1 through 5.
Vuln ID Summary CVSS Severity
CVE-2021-30481

Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.

Published: April 10, 2021; 3:15:11 PM -0400 		V4.0:(not available)
 V3.1: 9.0 CRITICAL
V2.0: 6.0 MEDIUM
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.

Published: October 04, 2019; 4:15:11 PM -0400 		V4.0:(not available)
 V3.1: 7.8 HIGH
V2.0: 7.2 HIGH
CVE-2019-15316

Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.

Published: August 21, 2019; 4:15:12 PM -0400 		V4.0:(not available)
 V3.0: 7.0 HIGH
V2.0: 6.9 MEDIUM
CVE-2019-15315

Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITY\SYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.

Published: August 21, 2019; 4:15:12 PM -0400 		V4.0:(not available)
 V3.0: 7.8 HIGH
V2.0: 7.2 HIGH
CVE-2019-14743

In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.

Published: August 07, 2019; 11:15:13 AM -0400 		V4.0:(not available)
 V3.0: 6.6 MEDIUM
V2.0: 7.2 HIGH