Paper/Archive/CVE-2021-30481

CVE-2021-30481

mitre — Valve Steam before 2021-04-17, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code becaus…

EPSS 4%CVSS 9.0

critical.is priorityof 100

CVSS 9.0 (NVD)9.0 / 10 × 3027.0 Not in CISA KEV+300.0 EPSS percentile 89.3.893 × 2017.9 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

NVD9.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

mitre (CNA)8.0CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R

References

reftwitter.com/the_secret_club/status/1380868759129296900 refyoutube.com/watch?v=rNQn--9xR1Q refnews.ycombinator.com/item?id=26762170 reftwitter.com/floesen_/status/1337107178096881666