CVE-2020-12242

PoC —

CVSS 3.1

7.8 high

EPSS

1%p63

Published

Apr 27, 2020 (Apr 27, 2020)

Modified

Jun 17, 2026

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.

Vendors: valvesoftware
Products: source
Weakness: CWE-78
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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