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VULNERABILITIES

CVE-2021-30481 Details

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.

Metrics

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://news.ycombinator.com/item?id=26762170 CVEIssue TrackingThird Party Advisory
https://twitter.com/floesen_/status/1337107178096881666 CVEThird Party Advisory
https://twitter.com/the_secret_club/status/1380868759129296900 CVEExploitThird Party Advisory
https://www.youtube.com/watch?v=rNQn--9xR1Q CVEExploitThird Party Advisory
https://news.ycombinator.com/item?id=26762170 [email protected]Issue TrackingThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

ProductVersions
valvesoftware steam client
<= 2021-04-10

CPE

  • cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-30481
NVD Published Date:
Apr 10, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-30481 Details - Not Deferred