{"cve":"CVE-2009-1240","nvd":{"published":"2009-04-03T18:30:00.657","modified":"2026-06-16T23:06:50.270","status":"Modified","description":"Unspecified vulnerability in the IBM Proventia engine 4.9.0.0.44 20081231, as used in IBM Proventia Network Mail Security System, Network Mail Security System Virtual Appliance, Desktop Endpoint Security, Network Multi-Function Security (MFS), and possibly other products, allows remote attackers to bypass detection of malware via a modified RAR archive.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://blog.zoller.lu/2009/04/ibm-proventia-evasion-limited-details.html","http://iss.custhelp.com/cgi-bin/iss.cfg/php/enduser/std_adp.php?p_faqid=5417","http://www.securityfocus.com/archive/1/502369/100/0/threaded","http://www.securityfocus.com/archive/1/504987/100/0/threaded","http://www.securityfocus.com/archive/1/504992/100/0/threaded"],"products":["ibm:network_multi-function_security","ibm:proventia_desktop_endpoint_security","ibm:proventia_network_mail_security_system","ibm:proventia_network_mail_security_system_virtual_appliance"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-1240","score":0.02734,"percentile":0.86106,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}