{"id":"CVE-2023-2262","aliases":["EUVD-2023-33768","GHSA-hvf2-xrfv-gr9f"],"status":"published","title":"Rockwell Automation Select Logix Communication Modules Vulnerable to Email Object Buffer Overflow","description":"A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01292,"percentile":0.70651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2023-09-20T15:20:23Z","modified":"2026-06-17T05:52:07Z","products":[{"vendor":"rockwell auotmation","product":"1756-en2tpxt series a"},{"vendor":"rockwell automation","product":"1756-en2f series a, b"},{"vendor":"rockwell automation","product":"1756-en2f series c"},{"vendor":"rockwell automation","product":"1756-en2fk series a, b"},{"vendor":"rockwell automation","product":"1756-en2fk series c"},{"vendor":"rockwell automation","product":"1756-en2t series a, b, c"},{"vendor":"rockwell automation","product":"1756-en2t series d"},{"vendor":"rockwell automation","product":"1756-en2tk series a, b, c"},{"vendor":"rockwell automation","product":"1756-en2tp series a"},{"vendor":"rockwell automation","product":"1756-en2tpk series a"},{"vendor":"rockwell automation","product":"1756-en2tr series a, b"},{"vendor":"rockwell automation","product":"1756-en2tr series c"},{"vendor":"rockwell automation","product":"1756-en2trk series a, b"},{"vendor":"rockwell automation","product":"1756-en2trk series c"},{"vendor":"rockwell automation","product":"1756-en2trxt series a, b"},{"vendor":"rockwell automation","product":"1756-en2trxt series c"},{"vendor":"rockwell automation","product":"1756-en2txt series a, b, c"},{"vendor":"rockwell automation","product":"1756-en2txt series d"},{"vendor":"rockwell automation","product":"1756-en3tr series a"},{"vendor":"rockwell automation","product":"1756-en3tr series b"},{"vendor":"rockwell automation","product":"1756-en3trk series a"},{"vendor":"rockwell automation","product":"1756-en3trk series b"},{"vendor":"rockwellautomation","product":"1756-en2f_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2f_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2f_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2fk_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2fk_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2fk_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2t_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2t_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2t_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2t_series_d_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tk_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tk_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tk_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tp_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tpk_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tpxt_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trk_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trk_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trk_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trxt_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trxt_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2trxt_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2txt_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2txt_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2txt_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en2txt_series_d_firmware"},{"vendor":"rockwellautomation","product":"1756-en3tr_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en3tr_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en3trk_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en3trk_series_b_firmware"}],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140786","tags":["x_transferred","Permissions Required","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2262"},{"url":"https://github.com/advisories/GHSA-hvf2-xrfv-gr9f"}],"sources":{"cve":[{"id":"CVE-2023-2262","title":"Rockwell Automation Select Logix Communication Modules Vulnerable to Email Object Buffer Overflow","description":"\n\n\nA buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.\n\n\n\n","status":"published","published":"2023-09-20T15:20:23.7Z","modified":"2024-09-25T15:44:30.367Z","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":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-33768","description":"\n\n\nA buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.\n\n\n\n","status":"published","published":"2023-09-20T15:20:23Z","modified":"2024-09-25T15:44:30Z","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"}],"updated_at":"2026-11-03T00:28:12.46898Z"}],"ghsa":[{"id":"GHSA-hvf2-xrfv-gr9f","title":"\n\n\nA buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN*...","description":"\n\n\nA buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.\n\n\n\n","status":"published","published":"2023-09-20T18:30:21Z","modified":"2024-04-04T07:46:21Z","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-121","CWE-787"],"updated_at":"2026-11-02T14:56:54.849147Z"}],"nvd":[{"id":"CVE-2023-2262","description":"\n\n\nA buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.\n\n\n\n","status":"published","published":"2023-09-20T16:15:12.257Z","modified":"2026-06-17T05:52:07.91Z","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":"secondary"},{"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-121","CWE-787"],"updated_at":"2026-11-02T14:08:29.595868Z"}]}}