{"id":"CVE-2012-4706","aliases":["EUVD-2012-4631","GHSA-xj89-wxvh-5m7p"],"status":"published","title":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to...","description":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.01606,"percentile":0.7598,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2013-02-24T11:00:00Z","modified":"2026-06-16T23:45:36Z","products":[{"vendor":"3s-software","product":"codesys_gateway-server"}],"references":[{"url":"http://ics-cert.us-cert.gov/advisories/ICSA-13-050-01A","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4706"},{"url":"https://github.com/advisories/GHSA-xj89-wxvh-5m7p"}],"sources":{"cve":[{"id":"CVE-2012-4706","description":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.","status":"published","published":"2013-02-24T11:00:00Z","modified":"2024-08-06T20:42:55.136Z","updated_at":"2026-11-02T14:34:51.937988Z"}],"euvd":[{"id":"EUVD-2012-4631","description":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.","status":"published","published":"2013-02-24T11:00:00Z","modified":"2024-08-06T20:42:55Z","updated_at":"2026-11-03T01:56:06.845275Z"}],"ghsa":[{"id":"GHSA-xj89-wxvh-5m7p","title":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to...","description":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.","status":"published","published":"2022-05-17T05:09:34Z","modified":"2023-01-28T05:03:27Z","updated_at":"2026-11-02T14:43:58.944932Z"}],"nvd":[{"id":"CVE-2012-4706","description":"Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.","status":"published","published":"2013-02-24T11:48:21.11Z","modified":"2026-06-16T23:45:36.633Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:17.375282Z"}]}}