[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fTP-aQkDJdRPi3nxQxvE-HWMcSsoiwE5JzGorxYIuGig":3,"g5a-risk:CVE-2025-20234":147},{"success":4,"data":5,"meta":144},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":28,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":54,"references":55,"referencesCount":66,"weaknesses":67,"weaknessesCount":76,"isActivelyExploited":77,"cisaInfo":28,"otxData":28,"relatedBlogPosts":78,"seoMetadata":79,"configurations":104,"relatedVendorCves":135,"notableEvents":136},"CVE-2025-20234","What is CVE-2025-20234?","A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software.\r\nFor a description of this vulnerability, see the .","A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condit...","2025-06-18T17:15:28.833","2025-08-11T18:24:39.183",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":37,"CVSSMetricV2":38,"CVSSMetricV40":28},[16,31],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":29,"ImpactScore":30},"psirt@cisco.com","Secondary",{"Version":20,"VectorString":21,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":23,"BaseScore":26,"BaseSeverity":27,"ExploitCodeMaturity":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"TemporalSeverity":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"ModifiedAttackVector":28,"ModifiedAttackComplexity":28,"ModifiedPrivilegesRequired":28,"ModifiedUserInteraction":28,"ModifiedScope":28,"ModifiedConfidentialityImpact":28,"ModifiedIntegrityImpact":28,"ModifiedAvailabilityImpact":28,"EnvironmentalScore":28,"EnvironmentalSeverity":28},"3.1","CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:L","NETWORK","LOW","NONE","UNCHANGED",5.3,"MEDIUM",null,3.9,1.4,{"Source":32,"Type":33,"CVSSData":34,"ExploitabilityScore":29,"ImpactScore":36},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":35,"BaseScore":12,"BaseSeverity":35,"ExploitCodeMaturity":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"TemporalSeverity":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"ModifiedAttackVector":28,"ModifiedAttackComplexity":28,"ModifiedPrivilegesRequired":28,"ModifiedUserInteraction":28,"ModifiedScope":28,"ModifiedConfidentialityImpact":28,"ModifiedIntegrityImpact":28,"ModifiedAvailabilityImpact":28,"EnvironmentalScore":28,"EnvironmentalSeverity":28},"HIGH",3.6,[],[],0.00816,[39,39,39,39,39,39,39],"High",[43,47,51],{"vendor":44,"product":44,"version":45,"criteria":46,"vulnerable":4},"clamav","*","cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*",{"vendor":48,"product":49,"version":45,"criteria":50,"vulnerable":4},"cisco","secure_endpoint","cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*",{"vendor":48,"product":52,"version":45,"criteria":53,"vulnerable":4},"secure_endpoint_private_cloud","cpe:2.3:a:cisco:secure_endpoint_private_cloud:*:*:*:*:*:*:*:*",3,[56,61],{"url":57,"source":58,"tags":59},"https:\u002F\u002Fblog.clamav.net\u002F2025\u002F06\u002Fclamav-143-and-109-security-patch.html","Clamav",[60],"Vendor Advisory",{"url":62,"source":63,"tags":64},"https:\u002F\u002Fsec.cloudapps.cisco.com\u002Fsecurity\u002Fcenter\u002Fcontent\u002FCiscoSecurityAdvisory\u002Fcisco-sa-clamav-udf-hmwd9nDy","Cisco",[65],"Third Party Advisory",2,[68],{"id":69,"name":70,"description":71,"extendedDescription":72,"status":73,"abstraction":74,"structure":75},"CWE-125","Out-of-bounds Read","The product reads data past the end, or before the beginning, of the intended buffer.","","Draft","Base","Simple",1,false,[],{"title":80,"metaDescription":81,"keywords":82,"canonicalUrl":83,"structuredData":84},"What is CVE-2025-20234? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2025-20234, a high severity cyber security vulnerability from 2025. A vulnerability in Universal Disk Format (UDF) processing o...","CVE-2025-20234, CVE-2025-20234 vulnerability, CVE-2025-20234 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2025, CVSS score, exploit, patch, remediation, clamav security, cisco security, clamav vulnerability, secure_endpoint vulnerability, secure_endpoint_private_cloud vulnerability","\u002Fwhat-is\u002Fcve-2025-20234",{"@context":85,"@type":86,"headline":80,"description":81,"datePublished":10,"dateModified":11,"author":87,"publisher":91,"about":95,"mainEntityOfPage":99,"articleSection":102,"keywords":103},"https:\u002F\u002Fschema.org","TechArticle",{"@type":88,"name":89,"url":90},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":88,"name":89,"url":90,"logo":92},{"@type":93,"url":94},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":96,"name":6,"description":97,"additionalType":98},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":100,"@id":101},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2025-20234","Cybersecurity","CVE-2025-20234, CVE-2025-20234 vulnerability, CVE-2025-20234 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[105,114],{"Operator":28,"Negate":28,"Nodes":106},[107],{"Operator":108,"Negate":77,"CPEMatch":109},"OR",[110],{"Vulnerable":4,"Criteria":46,"MatchCriteriaID":111,"VersionStartExcluding":28,"VersionStartIncluding":112,"VersionEndExcluding":113,"VersionEndIncluding":28},"49480D41-EBD3-4541-8418-80DD6444C6DB","1.2.0","1.4.3",{"Operator":28,"Negate":28,"Nodes":115},[116],{"Operator":108,"Negate":77,"CPEMatch":117},[118,121,124,128,132],{"Vulnerable":4,"Criteria":50,"MatchCriteriaID":119,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":120,"VersionEndIncluding":28},"4F19C9AF-A336-4DF7-AB2A-778228F79A20","1.26.1",{"Vulnerable":4,"Criteria":122,"MatchCriteriaID":123,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":120,"VersionEndIncluding":28},"cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*","DFA01B75-3D43-4B20-B5A7-354854025F96",{"Vulnerable":4,"Criteria":125,"MatchCriteriaID":126,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":127,"VersionEndIncluding":28},"cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:*","72687E9E-1CC5-44A2-B207-1E459FFECB56","7.5.21",{"Vulnerable":4,"Criteria":125,"MatchCriteriaID":129,"VersionStartExcluding":28,"VersionStartIncluding":130,"VersionEndExcluding":131,"VersionEndIncluding":28},"5389A975-75C0-47F7-9DE4-25FD91226785","8.0.1.21160","8.4.5",{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":133,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":134,"VersionEndIncluding":28},"A7D78AF2-E32D-4346-A7A8-6137B623F1B8","4.2.2",[],[137],{"id":138,"eventType":139,"eventTime":140,"details":141,"label":142,"color":143},"d7e77245-4fcb-4888-84a8-52d065a1f9a0","NEW_NVD","2025-06-19T09:33:00.307111+00:00","New CVE added to NVD","Published to NVD","blue",{"lastModified":11,"cacheTime":145,"version":146},1792244072303,"2.0",{"score":148,"band":149,"action":150,"scoredAt":151},47,"Medium","Plan remediation","2026-10-16T07:07:46.084586+00:00"]