{"cve":{"cve_id":"CVE-2012-1423","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":0.89857,"epss_percentile":0.99775,"epss_as_of":"2026-06-23","description":"The TAR file parser in Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, F-Prot Antivirus 4.6.2.117, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, K7 AntiVirus 9.77.3565, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, PC Tools AntiVirus 7.0.3.5, Rising Antivirus 22.83.00.03, and VirusBuster 13.6.151.0 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial MZ character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.","published_at":"2012-03-21T10:00:00Z","last_modified_at":"2026-06-16T23:39:30.093000Z","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-264"],"nvd_references":["http://osvdb.org/80406","http://osvdb.org/80393","http://www.securityfocus.com/archive/1/522005","http://osvdb.org/80396","http://www.ieee-security.org/TC/SP2012/program.html","http://osvdb.org/80407","http://osvdb.org/80395"],"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":"2026-06-28T23:06:13.123476Z"},"effective_severity":null,"badges":["epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"authentium","vendor_name":"authentium","product_slug":"command-antivirus","product_name":"command_antivirus","version_start":"5.2.11.5","version_start_inclusive":true,"version_end":"5.2.11.5","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:authentium:command_antivirus:5.2.11.5:*:*:*:*:*:*:*"},{"vendor_slug":"emsisoft","vendor_name":"emsisoft","product_slug":"anti-malware","product_name":"anti-malware","version_start":"5.1.0.1","version_start_inclusive":true,"version_end":"5.1.0.1","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:emsisoft:anti-malware:5.1.0.1:*:*:*:*:*:*:*"},{"vendor_slug":"eset","vendor_name":"ESET","product_slug":"nod32-antivirus","product_name":"nod32_antivirus","version_start":"5795","version_start_inclusive":true,"version_end":"5795","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:eset:nod32_antivirus:5795:*:*:*:*:*:*:*"},{"vendor_slug":"fortinet","vendor_name":"fortinet","product_slug":"fortinet-antivirus","product_name":"fortinet_antivirus","version_start":"4.2.254.0","version_start_inclusive":true,"version_end":"4.2.254.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:fortinet:fortinet_antivirus:4.2.254.0:*:*:*:*:*:*:*"},{"vendor_slug":"f-prot","vendor_name":"f-prot","product_slug":"f-prot-antivirus","product_name":"f-prot_antivirus","version_start":"4.6.2.117","version_start_inclusive":true,"version_end":"4.6.2.117","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:f-prot:f-prot_antivirus:4.6.2.117:*:*:*:*:*:*:*"},{"vendor_slug":"ikarus","vendor_name":"ikarus","product_slug":"ikarus-virus-utilities-t3-command-line-scanner","product_name":"ikarus_virus_utilities_t3_command_line_scanner","version_start":"1.1.97.0","version_start_inclusive":true,"version_end":"1.1.97.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:ikarus:ikarus_virus_utilities_t3_command_line_scanner:1.1.97.0:*:*:*:*:*:*:*"},{"vendor_slug":"k7computing","vendor_name":"k7computing","product_slug":"antivirus","product_name":"antivirus","version_start":"9.77.3565","version_start_inclusive":true,"version_end":"9.77.3565","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:k7computing:antivirus:9.77.3565:*:*:*:*:*:*:*"},{"vendor_slug":"norman","vendor_name":"norman","product_slug":"norman-antivirus-antispyware","product_name":"norman_antivirus_&_antispyware","version_start":"6.06.12","version_start_inclusive":true,"version_end":"6.06.12","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:norman:norman_antivirus_\\&_antispyware:6.06.12:*:*:*:*:*:*:*"},{"vendor_slug":"pc-tools","vendor_name":"pc_tools","product_slug":"pc-tools-antivirus","product_name":"pc_tools_antivirus","version_start":"7.0.3.5","version_start_inclusive":true,"version_end":"7.0.3.5","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:pc_tools:pc_tools_antivirus:7.0.3.5:*:*:*:*:*:*:*"},{"vendor_slug":"rising-global","vendor_name":"rising-global","product_slug":"rising-antivirus","product_name":"rising_antivirus","version_start":"22.83.00.03","version_start_inclusive":true,"version_end":"22.83.00.03","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:rising-global:rising_antivirus:22.83.00.03:*:*:*:*:*:*:*"},{"vendor_slug":"virusbuster","vendor_name":"virusbuster","product_slug":"virusbuster","product_name":"virusbuster","version_start":"13.6.151.0","version_start_inclusive":true,"version_end":"13.6.151.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:virusbuster:virusbuster:13.6.151.0:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://osvdb.org/80406","source_type":"MISC","tags":[]},{"url":"http://osvdb.org/80393","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/archive/1/522005","source_type":"MISC","tags":[]},{"url":"http://osvdb.org/80396","source_type":"MISC","tags":[]},{"url":"http://www.ieee-security.org/TC/SP2012/program.html","source_type":"MISC","tags":[]},{"url":"http://osvdb.org/80407","source_type":"MISC","tags":[]},{"url":"http://osvdb.org/80395","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2012-03-21T10:00:00Z","label":"CVE published","source":null}]}