[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhE1MkixOsKpUhvkYgbGXj9Qzyiwhh4QaQ2wWxx2nMIk":3,"g5a-risk:CVE-2019-11879":111},{"success":4,"data":5,"meta":109},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":15,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":48,"references":49,"referencesCount":48,"weaknesses":56,"weaknessesCount":71,"isActivelyExploited":72,"cisaInfo":15,"otxData":15,"relatedBlogPosts":73,"seoMetadata":74,"configurations":99,"relatedVendorCves":107,"notableEvents":108},"CVE-2019-11879","What is CVE-2019-11879?","The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory. NOTE: The vendor states that this is analogous to Options FollowSymlinks in the Apache HTTP Server, and therefore it is \"not a problem.","The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root dir...","2019-05-10T16:29:01.737","2024-08-04T23:15:52.42",5.5,"CVSS:3.0\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:N\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":30,"CVSSMetricV40":15},null,[17],{"Source":18,"Type":19,"CVSSData":20,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":21,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":24,"AvailabilityImpact":24,"BaseScore":12,"BaseSeverity":27,"ExploitCodeMaturity":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"TemporalSeverity":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"ModifiedAttackVector":15,"ModifiedAttackComplexity":15,"ModifiedPrivilegesRequired":15,"ModifiedUserInteraction":15,"ModifiedScope":15,"ModifiedConfidentialityImpact":15,"ModifiedIntegrityImpact":15,"ModifiedAvailabilityImpact":15,"EnvironmentalScore":15,"EnvironmentalSeverity":15},"3.0","LOCAL","LOW","NONE","UNCHANGED","HIGH","MEDIUM",1.8,3.6,[31],{"Source":18,"Type":19,"CVSSData":32,"BaseSeverity":23,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":15,"ObtainAllPrivilege":15,"ObtainUserPrivilege":15,"ObtainOtherPrivilege":15,"UserInteractionRequired":15},{"Version":33,"VectorString":34,"AccessVector":22,"AccessComplexity":23,"Authentication":24,"ConfidentialityImpact":35,"IntegrityImpact":24,"AvailabilityImpact":24,"BaseScore":36,"BaseSeverity":15,"Exploitability":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"CollateralDamagePotential":15,"TargetDistribution":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"EnvironmentalScore":15},"2.0","AV:L\u002FAC:L\u002FAu:N\u002FC:P\u002FI:N\u002FA:N","PARTIAL",2.1,3.9,2.9,0.00549,[39,39,39,39,39,39,39],"Medium",[43],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"ruby-lang","webrick","1.4.2","cpe:2.3:a:ruby-lang:webrick:1.4.2:*:*:*:*:ruby:*:*",1,[50],{"url":51,"source":52,"tags":53},"https:\u002F\u002Fbugs.ruby-lang.org\u002Fissues\u002F15835","Ruby-lang",[54,55],"Issue Tracking","Vendor Advisory",[57,65],{"id":58,"name":59,"description":60,"extendedDescription":61,"status":62,"abstraction":63,"structure":64},"CWE-22","Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.","Many file operations are intended to take place within a restricted directory. By using special elements such as \"..\" and \"\u002F\" separators, attackers can escape outside of the restricted location to access files or directories that are elsewhere on the system. One of the most common special elements is the \"..\u002F\" sequence, which in most modern operating systems is interpreted as the parent directory of the current location. This is referred to as relative path traversal. Path traversal also covers the use of absolute pathnames such as \"\u002Fusr\u002Flocal\u002Fbin\" to access unexpected files. This is referred to as absolute path traversal.","Stable","Base","Simple",{"id":66,"name":67,"description":68,"extendedDescription":69,"status":70,"abstraction":63,"structure":64},"CWE-59","Improper Link Resolution Before File Access ('Link Following')","The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.","","Draft",2,false,[],{"title":75,"metaDescription":76,"keywords":77,"canonicalUrl":78,"structuredData":79},"What is CVE-2019-11879? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2019-11879, a medium severity cyber security vulnerability from 2019. The WEBrick gem 1.4.2 for Ruby allows directory traversal...","CVE-2019-11879, CVE-2019-11879 vulnerability, CVE-2019-11879 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2019, CVSS score, exploit, patch, remediation, ruby-lang security, webrick vulnerability","\u002Fwhat-is\u002Fcve-2019-11879",{"@context":80,"@type":81,"headline":75,"description":76,"datePublished":10,"dateModified":11,"author":82,"publisher":86,"about":90,"mainEntityOfPage":94,"articleSection":97,"keywords":98},"https:\u002F\u002Fschema.org","TechArticle",{"@type":83,"name":84,"url":85},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":83,"name":84,"url":85,"logo":87},{"@type":88,"url":89},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":91,"name":6,"description":92,"additionalType":93},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":95,"@id":96},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2019-11879","Cybersecurity","CVE-2019-11879, CVE-2019-11879 vulnerability, CVE-2019-11879 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[100],{"Operator":15,"Negate":15,"Nodes":101},[102],{"Operator":103,"Negate":15,"CPEMatch":104},"OR",[105],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":106,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"9ADDDD85-0724-4092-92A2-94E2D206F62F",[],[],{"lastModified":11,"cacheTime":110,"version":33},1792368161942,{"score":112,"band":113,"action":114,"scoredAt":115},18,"Info","Track","2026-10-16T06:46:08.381334+00:00"]