{"id":"CVE-2023-5908","aliases":["EUVD-2023-58181","GHSA-m695-35xv-pjcm"],"status":"published","title":"Heap Based Buffer Overflow in PTC KEPServerEx","description":"KEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00962,"percentile":0.61877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-122"],"published":"2023-11-30T22:03:58Z","modified":"2026-06-17T06:49:38Z","products":[{"vendor":"ge","product":"industrial_gateway_server"},{"vendor":"ge gigital","product":"industrial gateway server"},{"vendor":"kepware","product":"kepserverex"},{"vendor":"ptc","product":"keepserverex"},{"vendor":"ptc","product":"kepserverex"},{"vendor":"ptc","product":"opc-aggregator"},{"vendor":"ptc","product":"thingworx industrial connectivity"},{"vendor":"ptc","product":"thingworx kepware edge"},{"vendor":"ptc","product":"thingworx kepware server"},{"vendor":"ptc","product":"thingworx_industrial_connectivity"},{"vendor":"ptc","product":"thingworx_kepware_edge"},{"vendor":"ptc","product":"thingworx_kepware_server"},{"vendor":"rockwell automation","product":"kepserver enterprise"},{"vendor":"rockwellautomation","product":"kepserver_enterprise"},{"vendor":"software toolbox","product":"top server"},{"vendor":"softwaretoolbox","product":"top_server"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03","tags":["government-resource","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5908"},{"url":"https://github.com/advisories/GHSA-m695-35xv-pjcm"}],"sources":{"cve":[{"id":"CVE-2023-5908","title":"Heap Based Buffer Overflow in PTC KEPServerEx","description":"\n\n\n\n\nKEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.\n\n\n\n\n","status":"published","published":"2023-11-30T22:03:58.098Z","modified":"2024-08-02T08:14:24.586Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-58181","description":"\n\n\n\n\nKEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.\n\n\n\n\n","status":"published","published":"2023-11-30T22:03:58Z","modified":"2024-08-02T08:14:24Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-03T03:50:11.066935Z"}],"ghsa":[{"id":"GHSA-m695-35xv-pjcm","title":"\n\n\n\n\nKEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the...","description":"\n\n\n\n\nKEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.\n\n\n\n\n","status":"published","published":"2023-12-01T00:31:00Z","modified":"2023-12-06T21:30:58Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-120","CWE-122"],"updated_at":"2026-11-02T14:55:09.149913Z"}],"nvd":[{"id":"CVE-2023-5908","description":"\n\n\n\n\nKEPServerEX is vulnerable to a buffer overflow which may allow an attacker to crash the product being accessed or leak information.\n\n\n\n\n","status":"published","published":"2023-11-30T22:15:09.923Z","modified":"2026-06-17T06:49:38.137Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-122","CWE-120"],"updated_at":"2026-11-02T14:08:52.544469Z"}]}}