{"cve":{"cve_id":"CVE-2024-20506","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":0.00318,"epss_percentile":0.23336,"epss_as_of":"2026-06-23","description":"A vulnerability in the ClamD service module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an authenticated, local attacker to corrupt critical system files.\r\n\r\nThe vulnerability is due to allowing the ClamD process to write to its log file while privileged without checking if the logfile has been replaced with a symbolic link. An attacker could exploit this vulnerability if they replace the ClamD log file with a symlink to a critical system file and then find a way to restart the ClamD process. An exploit could allow the attacker to corrupt a critical system file by appending ClamD log messages after restart.","published_at":"2024-09-04T21:28:54.812000Z","last_modified_at":null,"cvss_v3_score":6.1,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-754"],"nvd_references":["https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html"],"vuln_status":null,"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":"2026-06-29T01:52:07.018522Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.4.0","version_start_inclusive":true,"version_end":"1.4.0","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.4.0:1.4.0"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.3.2","version_start_inclusive":true,"version_end":"1.3.2","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.3.2:1.3.2"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.6","version_start_inclusive":true,"version_end":"1.0.6","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.6:1.0.6"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.5","version_start_inclusive":true,"version_end":"1.0.5","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.5:1.0.5"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.4","version_start_inclusive":true,"version_end":"1.0.4","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.4:1.0.4"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.3","version_start_inclusive":true,"version_end":"1.0.3","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.3:1.0.3"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.2","version_start_inclusive":true,"version_end":"1.0.2","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.2:1.0.2"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.1","version_start_inclusive":true,"version_end":"1.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.1:1.0.1"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.0.0","version_start_inclusive":true,"version_end":"1.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.0.0:1.0.0"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"1.2.x","version_start_inclusive":true,"version_end":"1.2.x","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:1.2.x:1.2.x"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.105.x","version_start_inclusive":true,"version_end":"0.105.x","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.105.x:0.105.x"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.104.x","version_start_inclusive":true,"version_end":"0.104.x","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.104.x:0.104.x"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.11","version_start_inclusive":true,"version_end":"0.103.11","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.11:0.103.11"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.10","version_start_inclusive":true,"version_end":"0.103.10","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.10:0.103.10"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.9","version_start_inclusive":true,"version_end":"0.103.9","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.9:0.103.9"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.8","version_start_inclusive":true,"version_end":"0.103.8","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.8:0.103.8"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.7","version_start_inclusive":true,"version_end":"0.103.7","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.7:0.103.7"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.6","version_start_inclusive":true,"version_end":"0.103.6","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.6:0.103.6"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.5","version_start_inclusive":true,"version_end":"0.103.5","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.5:0.103.5"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.4","version_start_inclusive":true,"version_end":"0.103.4","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.4:0.103.4"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.3","version_start_inclusive":true,"version_end":"0.103.3","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.3:0.103.3"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.2","version_start_inclusive":true,"version_end":"0.103.2","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.2:0.103.2"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.1","version_start_inclusive":true,"version_end":"0.103.1","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.1:0.103.1"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"clamav","product_name":"ClamAV","version_start":"0.103.0","version_start_inclusive":true,"version_end":"0.103.0","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:clamav:0.103.0:0.103.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-09-04T21:28:54.812000Z","label":"CVE 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