What’s Vulnerable › Vulnerabilities

CVE-2020-12242

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-27 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• Valvesoftware Source: all versions

References

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

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