CVE-2020-12242
7.8 · HIGHOverview
CVE-2020-12242 is a high-severity vulnerability affecting valvesoftware source. It was published on April 27, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from valvesoftware. Update source to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2020-12242?
CVE-2020-12242 is a high-severity vulnerability affecting valvesoftware source. It was published on April 27, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2020-12242?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-12242?
Check the references section for vendor advisories and patches from valvesoftware. Update source to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-12242?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-12242 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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