{"id":"CVE-2023-30382","aliases":["EUVD-2023-34802","GHSA-vm4v-c52h-646f"],"status":"published","title":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to...","description":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00219,"percentile":0.12507,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-05-23T00:00:00Z","modified":"2026-06-17T05:54:37Z","products":[{"vendor":"valvesoftware","product":"half-life"}],"references":[{"url":"https://labs.jumpsec.com/advisory-cve-2023-30382-half-life-local-privilege-escalation/","tags":["x_transferred","Mitigation","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30382"},{"url":"https://labs.jumpsec.com/advisory-cve-2023-30382-half-life-local-privilege-escalation"},{"url":"https://github.com/advisories/GHSA-vm4v-c52h-646f"}],"sources":{"cve":[{"id":"CVE-2023-30382","description":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.","status":"published","published":"2023-05-23T00:00:00Z","modified":"2025-01-17T18:28:40.643Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-34802","description":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.","status":"published","published":"2023-05-23T00:00:00Z","modified":"2025-01-17T18:28:40Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:16.564106Z"}],"ghsa":[{"id":"GHSA-vm4v-c52h-646f","title":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to...","description":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.","status":"published","published":"2023-05-23T21:30:18Z","modified":"2024-04-04T04:19:18Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:22.887174Z"}],"nvd":[{"id":"CVE-2023-30382","description":"A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.","status":"published","published":"2023-05-23T21:15:09.073Z","modified":"2026-06-17T05:54:37.197Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:03.200773Z"}]}}