CVE-2020-12242

high

Description

Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file, which is later executed in the context of a different user account.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-4557

https://0xem.ma/cve/2020/04/28/Source-hl2-relaunch-exec.html

Details

Source: Mitre, NVD

Published: 2020-04-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H