[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fS5_en7KN5CuGFsRCOKgz5zplOiaJ53rQJR1gbqlPJZo":3,"g5a-risk:CVE-2021-3571":154},{"success":4,"data":5,"meta":152},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":26,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":62,"references":63,"referencesCount":78,"weaknesses":79,"weaknessesCount":95,"isActivelyExploited":96,"cisaInfo":26,"otxData":26,"relatedBlogPosts":97,"seoMetadata":98,"configurations":123,"relatedVendorCves":150,"notableEvents":151},"CVE-2021-3571","What is CVE-2021-3571?","A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.","A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote a...","2021-07-09T11:15:08.96","2023-11-07T03:38:07.277",7.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:L\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":29,"CVSSMetricV40":26},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH",null,2.8,4.2,[30],{"Source":17,"Type":18,"CVSSData":31,"BaseSeverity":37,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":21,"AccessComplexity":22,"Authentication":34,"ConfidentialityImpact":35,"IntegrityImpact":23,"AvailabilityImpact":35,"BaseScore":36,"BaseSeverity":26,"Exploitability":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"CollateralDamagePotential":26,"TargetDistribution":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":26,"EnvironmentalScore":26},"2.0","AV:N\u002FAC:L\u002FAu:S\u002FC:P\u002FI:N\u002FA:P","SINGLE","PARTIAL",5.5,"MEDIUM",8,4.9,0.01895,[40,40,40,40,40,40,40],"High",[44,49,54,59],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"linuxptp_project","linuxptp","*","cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:*",{"vendor":50,"product":51,"version":52,"criteria":53,"vulnerable":4},"redhat","enterprise_linux","8.0","cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*",{"vendor":55,"product":56,"version":57,"criteria":58,"vulnerable":4},"fedoraproject","fedora","33","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",{"vendor":55,"product":56,"version":60,"criteria":61,"vulnerable":4},"34","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",4,[64,71,75],{"url":65,"source":66,"tags":67},"https:\u002F\u002Fbugzilla.redhat.com\u002Fshow_bug.cgi?id=1966241","Red Hat",[68,69,70],"Issue Tracking","Patch","Third Party Advisory",{"url":72,"source":73,"tags":74},"https:\u002F\u002Flists.fedoraproject.org\u002Farchives\u002Flist\u002Fpackage-announce%40lists.fedoraproject.org\u002Fmessage\u002FRHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7\u002F","Fedoraproject",[],{"url":76,"source":73,"tags":77},"https:\u002F\u002Flists.fedoraproject.org\u002Farchives\u002Flist\u002Fpackage-announce%40lists.fedoraproject.org\u002Fmessage\u002FVUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ\u002F",[],3,[80,88],{"id":81,"name":82,"description":83,"extendedDescription":84,"status":85,"abstraction":86,"structure":87},"CWE-125","Out-of-bounds Read","The product reads data past the end, or before the beginning, of the intended buffer.","","Draft","Base","Simple",{"id":89,"name":90,"description":91,"extendedDescription":92,"status":93,"abstraction":94,"structure":87},"CWE-119","Improper Restriction of Operations within the Bounds of a Memory Buffer","The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.","Stable","Class",2,false,[],{"title":99,"metaDescription":100,"keywords":101,"canonicalUrl":102,"structuredData":103},"What is CVE-2021-3571? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-3571, a high severity cyber security vulnerability from 2021. A flaw was found in the ptp4l program of the linuxptp packag...","CVE-2021-3571, CVE-2021-3571 vulnerability, CVE-2021-3571 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, linuxptp_project security, redhat security, fedoraproject security, linuxptp vulnerability, enterprise_linux vulnerability, fedora vulnerability","\u002Fwhat-is\u002Fcve-2021-3571",{"@context":104,"@type":105,"headline":99,"description":100,"datePublished":10,"dateModified":11,"author":106,"publisher":110,"about":114,"mainEntityOfPage":118,"articleSection":121,"keywords":122},"https:\u002F\u002Fschema.org","TechArticle",{"@type":107,"name":108,"url":109},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":107,"name":108,"url":109,"logo":111},{"@type":112,"url":113},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":115,"name":6,"description":116,"additionalType":117},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":119,"@id":120},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-3571","Cybersecurity","CVE-2021-3571, CVE-2021-3571 vulnerability, CVE-2021-3571 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[124,136,142],{"Operator":26,"Negate":26,"Nodes":125},[126],{"Operator":127,"Negate":26,"CPEMatch":128},"OR",[129,132],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":130,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":131,"VersionEndIncluding":26},"AC18C914-2CE1-4541-9900-6C1A70A995CA","2.0.1",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":133,"VersionStartExcluding":26,"VersionStartIncluding":134,"VersionEndExcluding":135,"VersionEndIncluding":26},"DF9B04F2-2991-49A6-8FA2-40CCDFC5ADA4","3.0","3.1.1",{"Operator":26,"Negate":26,"Nodes":137},[138],{"Operator":127,"Negate":26,"CPEMatch":139},[140],{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":141,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"053C1B35-3869-41C2-9551-044182DE0A64",{"Operator":26,"Negate":26,"Nodes":143},[144],{"Operator":127,"Negate":26,"CPEMatch":145},[146,148],{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":147,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"E460AA51-FCDA-46B9-AE97-E6676AA5E194",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":149,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"A930E247-0B43-43CB-98FF-6CE7B8189835",[],[],{"lastModified":11,"cacheTime":153,"version":32},1792348013128,{"score":155,"band":156,"action":157,"scoredAt":158},46,"Medium","Plan remediation","2026-10-16T06:51:32.460569+00:00"]