{"id":"CVE-2023-43338","aliases":["EUVD-2023-47757","GHSA-92m7-86f6-r2hj"],"status":"published","title":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the...","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00987,"percentile":0.62653,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-09-22T00:00:00Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"cesanta","product":"mjs"}],"references":[{"url":"https://github.com/cesanta/mjs/issues/250","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43338","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-92m7-86f6-r2hj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43338.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-43338","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","status":"published","published":"2023-09-22T00:00:00Z","modified":"2024-09-24T15:50:41.47Z","updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-47757","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","status":"published","published":"2023-09-22T00:00:00Z","modified":"2024-09-24T15:50:41Z","updated_at":"2026-11-03T00:28:15.323597Z"}],"ghsa":[{"id":"GHSA-92m7-86f6-r2hj","title":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the...","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","status":"published","published":"2023-09-23T00:30:40Z","modified":"2024-04-04T07:48:38Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:55.413626Z"}],"nvd":[{"id":"CVE-2023-43338","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","status":"published","published":"2023-09-23T00:15:20.17Z","modified":"2026-06-17T06:25:26.87Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:31.699785Z"}],"osv":[{"id":"CVE-2023-43338","description":"Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.","status":"published","published":"2023-09-22T00:00:00Z","modified":"2026-10-28T02:30:29.829291008Z","updated_at":"2026-11-02T15:44:33.792101Z"}]}}