[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmMENXIGn78oO5bRp0nk_LArvxHp_OQWVVRqqOnnh01Y":3,"g5a-risk:CVE-2021-31808":188},{"success":4,"data":5,"meta":186},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":27,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":70,"references":71,"referencesCount":111,"weaknesses":112,"weaknessesCount":121,"isActivelyExploited":122,"cisaInfo":27,"otxData":27,"relatedBlogPosts":123,"seoMetadata":124,"configurations":149,"relatedVendorCves":184,"notableEvents":185},"CVE-2021-31808","What is CVE-2021-31808?","An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.","An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against al...","2021-05-27T14:15:07.5","2023-11-07T03:35:00.263",6.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":30,"CVSSMetricV40":27},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH","MEDIUM",null,2.8,3.6,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":26,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":22,"Authentication":35,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":36,"BaseScore":37,"BaseSeverity":27,"Exploitability":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"CollateralDamagePotential":27,"TargetDistribution":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"EnvironmentalScore":27},"2.0","AV:N\u002FAC:L\u002FAu:S\u002FC:N\u002FI:N\u002FA:P","SINGLE","PARTIAL",4,8,2.9,0.05344,[40,40,40,40,40,40,40],"Medium",[44,49,54,57,62,67],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"squid-cache","squid","*","cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",{"vendor":50,"product":51,"version":52,"criteria":53,"vulnerable":4},"debian","debian_linux","9.0","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",{"vendor":50,"product":51,"version":55,"criteria":56,"vulnerable":4},"10.0","cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",{"vendor":58,"product":59,"version":60,"criteria":61,"vulnerable":4},"netapp","cloud_manager","-","cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":65,"criteria":66,"vulnerable":4},"fedoraproject","fedora","33","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",{"vendor":63,"product":64,"version":68,"criteria":69,"vulnerable":4},"34","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",6,[72,78,82,89,93,97,101,104,108],{"url":73,"source":74,"tags":75},"http:\u002F\u002Fseclists.org\u002Ffulldisclosure\u002F2023\u002FOct\u002F14","Seclists",[76,77],"Mailing List","Third Party Advisory",{"url":79,"source":80,"tags":81},"http:\u002F\u002Fwww.openwall.com\u002Flists\u002Foss-security\u002F2023\u002F10\u002F11\u002F3","Openwall",[76,77],{"url":83,"source":84,"tags":85},"http:\u002F\u002Fwww.squid-cache.org\u002FVersions\u002Fv4\u002Fchangesets\u002Fsquid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch","Squid-cache",[86,87,88],"Exploit","Patch","Vendor Advisory",{"url":90,"source":91,"tags":92},"https:\u002F\u002Fgithub.com\u002Fsquid-cache\u002Fsquid\u002Fsecurity\u002Fadvisories\u002FGHSA-pxwq-f3qr-w2xf","GitHub",[87,77],{"url":94,"source":95,"tags":96},"https:\u002F\u002Flists.debian.org\u002Fdebian-lts-announce\u002F2021\u002F06\u002Fmsg00014.html","Debian",[76,77],{"url":98,"source":99,"tags":100},"https:\u002F\u002Flists.fedoraproject.org\u002Farchives\u002Flist\u002Fpackage-announce%40lists.fedoraproject.org\u002Fmessage\u002FLSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF\u002F","Fedoraproject",[],{"url":102,"source":99,"tags":103},"https:\u002F\u002Flists.fedoraproject.org\u002Farchives\u002Flist\u002Fpackage-announce%40lists.fedoraproject.org\u002Fmessage\u002FT4EPIWUZDJAXADDHVOPKRBTQHPBR6H66\u002F",[],{"url":105,"source":106,"tags":107},"https:\u002F\u002Fsecurity.netapp.com\u002Fadvisory\u002Fntap-20210716-0007\u002F","Netapp",[77],{"url":109,"source":95,"tags":110},"https:\u002F\u002Fwww.debian.org\u002Fsecurity\u002F2021\u002Fdsa-4924",[77],9,[113],{"id":114,"name":115,"description":116,"extendedDescription":117,"status":118,"abstraction":119,"structure":120},"CWE-190","Integer Overflow or Wraparound","The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","","Stable","Base","Simple",1,false,[],{"title":125,"metaDescription":126,"keywords":127,"canonicalUrl":128,"structuredData":129},"What is CVE-2021-31808? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-31808, a medium severity cyber security vulnerability from 2021. An issue was discovered in Squid before 4.15 and 5.x befo...","CVE-2021-31808, CVE-2021-31808 vulnerability, CVE-2021-31808 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, squid-cache security, debian security, netapp security, fedoraproject security, squid vulnerability, debian_linux vulnerability, cloud_manager vulnerability, fedora vulnerability","\u002Fwhat-is\u002Fcve-2021-31808",{"@context":130,"@type":131,"headline":125,"description":126,"datePublished":10,"dateModified":11,"author":132,"publisher":136,"about":140,"mainEntityOfPage":144,"articleSection":147,"keywords":148},"https:\u002F\u002Fschema.org","TechArticle",{"@type":133,"name":134,"url":135},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":133,"name":134,"url":135,"logo":137},{"@type":138,"url":139},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":141,"name":6,"description":142,"additionalType":143},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":145,"@id":146},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-31808","Cybersecurity","CVE-2021-31808, CVE-2021-31808 vulnerability, CVE-2021-31808 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[150,162,170,176],{"Operator":27,"Negate":27,"Nodes":151},[152],{"Operator":153,"Negate":27,"CPEMatch":154},"OR",[155,158],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":156,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":157,"VersionEndIncluding":27},"32AC0EE8-444B-447A-98E9-C22F82A6203C","4.15",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":159,"VersionStartExcluding":27,"VersionStartIncluding":160,"VersionEndExcluding":161,"VersionEndIncluding":27},"68801A75-0B13-444A-B88F-8BDD4EE953D3","5.0","5.0.6",{"Operator":27,"Negate":27,"Nodes":163},[164],{"Operator":153,"Negate":27,"CPEMatch":165},[166,168],{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":167,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"DEECE5FC-CACF-4496-A3E7-164736409252",{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":169,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",{"Operator":27,"Negate":27,"Nodes":171},[172],{"Operator":153,"Negate":27,"CPEMatch":173},[174],{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":175,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"197D0D80-6702-4B61-B681-AFDBA7D69067",{"Operator":27,"Negate":27,"Nodes":177},[178],{"Operator":153,"Negate":27,"CPEMatch":179},[180,182],{"Vulnerable":4,"Criteria":66,"MatchCriteriaID":181,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"E460AA51-FCDA-46B9-AE97-E6676AA5E194",{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":183,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"A930E247-0B43-43CB-98FF-6CE7B8189835",[],[],{"lastModified":11,"cacheTime":187,"version":33},1792348118719,{"score":189,"band":42,"action":190,"scoredAt":191},45,"Plan remediation","2026-10-16T06:51:13.853424+00:00"]