CVE-2021-30481: Buffer Overflow
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.
Other sources
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-30481.
What is the severity level of CVE-2021-30481?
CVE-2021-30481 is classified as critical with a severity value of 9.
How does CVE-2021-30481 occur?
CVE-2021-30481 occurs due to a buffer overflow that happens for a Steam invite after one click when a Source engine game is installed on Valve Steam through 2021-04-10.
Who can exploit CVE-2021-30481?
Remote authenticated users can exploit CVE-2021-30481.
Is there a fix available for CVE-2021-30481?
At the moment, there is no specific fix available for CVE-2021-30481. It is recommended to keep the software up-to-date and apply patches as soon as they become available.