[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkEH6bzKfticzMA8nSIGt-mciaVWltEyaIuvfcAhzIpk":3,"g5a-risk:CVE-2023-38831":145},{"success":4,"data":5,"meta":142},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":36,"epssPercentile":27,"epssTimeSeries":37,"severity":38,"affectedProducts":39,"affectedProductsCount":45,"references":46,"referencesCount":87,"weaknesses":88,"weaknessesCount":102,"isActivelyExploited":4,"cisaInfo":103,"otxData":27,"relatedBlogPosts":104,"seoMetadata":105,"configurations":130,"relatedVendorCves":140,"notableEvents":141},"CVE-2023-38831","What is CVE-2023-38831?","RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs because a ZIP archive may include a benign file (such as an ordinary .JPG file) and also a folder that has the same name as the benign file, and the contents of the folder (which may include executable content) are processed during an attempt to access only the benign file. This was exploited in the wild in April through October 2023.","RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs becaus...","2023-08-23T17:15:43.863","2025-10-31T14:39:33.66",7.8,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":34,"CVSSMetricV2":35,"CVSSMetricV40":27},[16,30],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","LOCAL","LOW","NONE","REQUIRED","UNCHANGED","HIGH",null,1.8,5.9,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":28,"ImpactScore":29},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},[],[],0.99815,[36,36,36,36,36,36,36],"High",[40],{"vendor":41,"product":42,"version":43,"criteria":44,"vulnerable":4},"rarlab","winrar","*","cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*",1,[47,54,58,63,68,72,74,76,78,80,82],{"url":48,"source":49,"tags":50},"http:\u002F\u002Fpacketstormsecurity.com\u002Ffiles\u002F174573\u002FWinRAR-Remote-Code-Execution.html","Packetstormsecurity",[51,52,53],"Exploit","Third Party Advisory","VDB Entry",{"url":55,"source":56,"tags":57},"https:\u002F\u002Fblog.google\u002Fthreat-analysis-group\u002Fgovernment-backed-actors-exploiting-winrar-vulnerability\u002F","Blog",[51,52],{"url":59,"source":60,"tags":61},"https:\u002F\u002Fnews.ycombinator.com\u002Fitem?id=37236100","Ycombinator",[62],"Issue Tracking",{"url":64,"source":65,"tags":66},"https:\u002F\u002Fwww.bleepingcomputer.com\u002Fnews\u002Fsecurity\u002Fwinrar-zero-day-exploited-since-april-to-hack-trading-accounts\u002F","Bleepingcomputer",[51,67,52],"Press\u002FMedia Coverage",{"url":69,"source":70,"tags":71},"https:\u002F\u002Fwww.group-ib.com\u002Fblog\u002Fcve-2023-38831-winrar-zero-day\u002F","Group-ib",[51,67,52],{"url":48,"source":49,"tags":73},[51,52,53],{"url":55,"source":56,"tags":75},[51,52],{"url":59,"source":60,"tags":77},[62],{"url":64,"source":65,"tags":79},[51,67,52],{"url":69,"source":70,"tags":81},[51,67,52],{"url":83,"source":84,"tags":85},"https:\u002F\u002Fwww.cisa.gov\u002Fknown-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38831","CISA",[86],"US Government Resource",11,[89,97],{"id":90,"name":91,"description":92,"extendedDescription":93,"status":94,"abstraction":95,"structure":96},"CWE-345","Insufficient Verification of Data Authenticity","The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.","","Draft","Class","Simple",{"id":98,"name":99,"description":100,"extendedDescription":93,"status":94,"abstraction":101,"structure":96},"CWE-351","Insufficient Type Distinction","The product does not properly distinguish between different types of elements in a way that leads to insecure behavior.","Base",2,{"shortDescription":93,"requiredAction":93,"vulnerabilityName":93,"dateAdded":27},[],{"title":106,"metaDescription":107,"keywords":108,"canonicalUrl":109,"structuredData":110},"What is CVE-2023-38831? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2023-38831, a high severity cyber security vulnerability from 2023. High exploit probability (99.8%). RARLAB WinRAR before 6.23...","CVE-2023-38831, CVE-2023-38831 vulnerability, CVE-2023-38831 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, rarlab security, winrar vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2023-38831",{"@context":111,"@type":112,"headline":106,"description":107,"datePublished":10,"dateModified":11,"author":113,"publisher":117,"about":121,"mainEntityOfPage":125,"articleSection":128,"keywords":129},"https:\u002F\u002Fschema.org","TechArticle",{"@type":114,"name":115,"url":116},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":114,"name":115,"url":116,"logo":118},{"@type":119,"url":120},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":122,"name":6,"description":123,"additionalType":124},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":126,"@id":127},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2023-38831","Cybersecurity","CVE-2023-38831, CVE-2023-38831 vulnerability, CVE-2023-38831 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[131],{"Operator":27,"Negate":27,"Nodes":132},[133],{"Operator":134,"Negate":135,"CPEMatch":136},"OR",false,[137],{"Vulnerable":4,"Criteria":44,"MatchCriteriaID":138,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":139,"VersionEndIncluding":27},"A586AE4C-6F08-4E96-B74C-AA0A7BF4F2DD","6.23",[],[],{"lastModified":11,"cacheTime":143,"version":144},1792377180560,"2.0",{"score":146,"band":38,"action":147,"scoredAt":148},78,"Emergency patch","2026-10-16T06:58:55.954032+00:00"]