{"id":"CVE-2020-12242","aliases":["EUVD-2020-4557","GHSA-wmwr-9cj7-xrgf"],"status":"published","title":"Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file,...","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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01088,"percentile":0.65788,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-78"],"published":"2020-04-27T14:56:12Z","modified":"2026-06-17T02:51:29Z","exploits":[{"source":"exploitdb","id":"EDB-48387","title":"Source Engine CS:GO BuildID: 4937372 - Arbitrary Code Execution","type":"local","platform":"macos","date":"2020-04-27","url":"https://www.exploit-db.com/exploits/48387"}],"products":[{"vendor":"valvesoftware","product":"source"}],"references":[{"url":"https://0xem.ma/cve/2020/04/28/Source-hl2-relaunch-exec.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12242"},{"url":"https://github.com/advisories/GHSA-wmwr-9cj7-xrgf"}],"sources":{"cve":[{"id":"CVE-2020-12242","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.","status":"published","published":"2020-04-27T14:56:12Z","modified":"2024-08-04T11:48:58.304Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4557","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.","status":"published","published":"2020-04-27T14:56:12Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:40.81889Z"}],"ghsa":[{"id":"GHSA-wmwr-9cj7-xrgf","title":"Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file,...","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.","status":"published","published":"2022-05-24T17:16:35Z","modified":"2024-04-04T02:50:23Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78","CWE-269"],"updated_at":"2026-11-02T14:56:12.690799Z"}],"nvd":[{"id":"CVE-2020-12242","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.","status":"published","published":"2020-04-27T15:15:12.813Z","modified":"2026-06-17T02:51:29.82Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:05:59.718774Z"}]}}