{"id":"CVE-2009-20005","aliases":["EUVD-2009-5127","GHSA-3q48-rvhc-r6w6"],"status":"published","title":"InterSystems Caché UtilConfigHome.csp Stack Buffer Overflow","description":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.02418,"percentile":0.84394,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-09-16T14:32:00Z","modified":"2026-10-01T23:10:00Z","exploits":[{"source":"metasploit","id":"exploit/windows/http/intersystems_cache","title":"InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow","type":"exploit","platform":"Windows","date":"2009-09-29","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/intersystems_cache"}],"products":[{"vendor":"intersystems corporation","product":"intersystems caché"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/intersystems_cache.rb","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/16807","tags":["exploit"]},{"url":"https://www.juniper.net/us/en/threatlabs/ips-signatures/detail.APP:INTERSYSTEMS-CACHE-OF.html","tags":["third-party-advisory"]},{"url":"https://www.intersystems.com/products/cache/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/intersystems-cache-stack-buffer-overflow","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-20005"},{"url":"https://www.intersystems.com/products/cache"},{"url":"https://github.com/advisories/GHSA-3q48-rvhc-r6w6"}],"sources":{"cve":[{"id":"CVE-2009-20005","title":"InterSystems Caché UtilConfigHome.csp Stack Buffer Overflow","description":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.","status":"published","published":"2025-09-16T14:32:00.691Z","modified":"2026-05-15T11:13:15.114Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2009-5127","description":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.","status":"published","published":"2025-09-16T14:32:00Z","modified":"2026-05-15T11:13:15Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:04:30.03108Z"}],"ghsa":[{"id":"GHSA-3q48-rvhc-r6w6","title":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché...","description":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.","status":"published","published":"2025-09-16T15:32:37Z","modified":"2025-09-16T15:32:45Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:03:37.643927Z"}],"nvd":[{"id":"CVE-2009-20005","description":"A stack-based buffer overflow exists in the UtilConfigHome.csp endpoint of InterSystems Caché 2009.1. The vulnerability is triggered by sending a specially crafted HTTP GET request containing an oversized argument to the .csp handler. Due to insufficient bounds checking, the input overflows a stack buffer, allowing an attacker to overwrite control structures and execute arbitrary code. It is unknown if this vulnerability was patched and an affected version range remains undefined.","status":"published","published":"2025-09-16T15:15:41.78Z","modified":"2026-10-01T23:10:00.233Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:01:38.972805Z"}]}}