{"cve":{"cve_id":"CVE-2008-5520","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01905,"epss_percentile":0.77054,"epss_as_of":"2026-06-23","description":"AhnLab V3 2008.12.4.1 and possibly 2008.9.13.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka \"EXE info\") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.","published_at":"2008-12-12T18:13:00Z","last_modified_at":"2026-06-16T23:00:28.200000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-20"],"nvd_references":["https://exchange.xforce.ibmcloud.com/vulnerabilities/47435","http://securityreason.com/securityalert/4723","http://www.securityfocus.com/archive/1/499043/100/0/threaded","http://www.securityfocus.com/archive/1/498995/100/0/threaded"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:04:44.099231Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"ahnlab","vendor_name":"ahnlab","product_slug":"v3-internet-security","product_name":"v3_internet_security","version_start":"2008.9.13.0","version_start_inclusive":true,"version_end":"2008.9.13.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:ahnlab:v3_internet_security:2008.9.13.0:*:*:*:*:*:*:*"},{"vendor_slug":"ahnlab","vendor_name":"ahnlab","product_slug":"v3-internet-security","product_name":"v3_internet_security","version_start":"2008.12.4.1","version_start_inclusive":true,"version_end":"2008.12.4.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:ahnlab:v3_internet_security:2008.12.4.1:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/47435","source_type":"MISC","tags":[]},{"url":"http://securityreason.com/securityalert/4723","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/499043/100/0/threaded","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/498995/100/0/threaded","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2008-12-12T18:13:00Z","label":"CVE published","source":null}]}