CVEvulnerability

CVE-2021-30481

9.0 CRITICAL Published 2021-04-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.0 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.0 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:P
Weaknesses
CWE-120

Description

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.

Affected configurations

• valvesoftware steam client (<= 2021-04-10)

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References