CVSS 3.1
9.0 criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:HCVE-2021-30481
Critical (9.0) in valvesoftware steam client. EPSS 3.5% chance of exploitation in the next 30 days.
Valve Steam before 2021-04-17, 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.
Severity
- EPSS
- 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CWE
- CWE-120
- Published
- Modified
- Record from
- the NVD, synced
Affected
- valvesoftware:steam_client