[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0PJqqPp1cYrzqvG4eVSNonlNUSIpHY1ZEqDTXAnVJNc":3,"g5a-risk:CVE-2021-3749":205},{"success":4,"data":5,"meta":203},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":44,"epssPercentile":25,"epssTimeSeries":45,"severity":46,"affectedProducts":47,"affectedProductsCount":63,"references":64,"referencesCount":115,"weaknesses":116,"weaknessesCount":131,"isActivelyExploited":132,"cisaInfo":25,"otxData":25,"relatedBlogPosts":133,"seoMetadata":134,"configurations":159,"relatedVendorCves":187,"notableEvents":188},"CVE-2021-3749","What is CVE-2021-3749?","axios is vulnerable to Inefficient Regular Expression Complexity","2021-08-31T11:15:07.89","2023-11-07T03:38:14.02",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":28,"CVSSMetricV2":35,"CVSSMetricV40":25},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":26,"ImpactScore":27},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":24,"ExploitCodeMaturity":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"TemporalSeverity":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":24,"ModifiedAttackVector":25,"ModifiedAttackComplexity":25,"ModifiedPrivilegesRequired":25,"ModifiedUserInteraction":25,"ModifiedScope":25,"ModifiedConfidentialityImpact":25,"ModifiedIntegrityImpact":25,"ModifiedAvailabilityImpact":25,"EnvironmentalScore":25,"EnvironmentalSeverity":25},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH",null,3.9,3.6,[29],{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":26,"ImpactScore":27},"c09c270a-b464-47c1-9133-acb35b22c19a","Secondary",{"Version":33,"VectorString":34,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":24,"ExploitCodeMaturity":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"TemporalSeverity":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":25,"ModifiedAttackVector":25,"ModifiedAttackComplexity":25,"ModifiedPrivilegesRequired":25,"ModifiedUserInteraction":25,"ModifiedScope":25,"ModifiedConfidentialityImpact":25,"ModifiedIntegrityImpact":25,"ModifiedAvailabilityImpact":25,"EnvironmentalScore":25,"EnvironmentalSeverity":25},"3.0","CVSS:3.0\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",[36],{"Source":16,"Type":17,"CVSSData":37,"BaseSeverity":24,"ExploitabilityScore":42,"ImpactScore":43,"ACInsufInfo":25,"ObtainAllPrivilege":25,"ObtainUserPrivilege":25,"ObtainOtherPrivilege":25,"UserInteractionRequired":25},{"Version":38,"VectorString":39,"AccessVector":20,"AccessComplexity":21,"Authentication":22,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":40,"BaseScore":41,"BaseSeverity":25,"Exploitability":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"CollateralDamagePotential":25,"TargetDistribution":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":25,"EnvironmentalScore":25},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:N\u002FI:N\u002FA:C","COMPLETE",7.8,10,6.9,0.08515,[44,44,44,44,44,44,44],"High",[48,52,56,59],{"vendor":49,"product":49,"version":50,"criteria":51,"vulnerable":4},"axios","*","cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",{"vendor":53,"product":54,"version":50,"criteria":55,"vulnerable":4},"siemens","sinec_ins","cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*",{"vendor":53,"product":54,"version":57,"criteria":58,"vulnerable":4},"1.0","cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*",{"vendor":60,"product":61,"version":50,"criteria":62,"vulnerable":4},"oracle","goldengate","cpe:2.3:a:oracle:goldengate:*:*:*:*:*:*:*:*",4,[65,70,75,80,84,87,90,93,96,99,102,105,108,111],{"url":66,"source":67,"tags":68},"https:\u002F\u002Fcert-portal.siemens.com\u002Fproductcert\u002Fpdf\u002Fssa-637483.pdf","Siemens",[69],"Third Party Advisory",{"url":71,"source":72,"tags":73},"https:\u002F\u002Fgithub.com\u002Faxios\u002Faxios\u002Fcommit\u002F5b457116e31db0e88fede6c428e969e87f290929","GitHub",[74,69],"Patch",{"url":76,"source":77,"tags":78},"https:\u002F\u002Fhuntr.dev\u002Fbounties\u002F1e8f07fc-c384-4ff9-8498-0690de2e8c31","Huntr",[79,74,69],"Exploit",{"url":81,"source":82,"tags":83},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr075d464dce95cd13c03ff9384658edcccd5ab2983b82bfc72b62bb10%40%3Ccommits.druid.apache.org%3E","Apache",[],{"url":85,"source":82,"tags":86},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr216f0fd0a3833856d6a6a1fada488cadba45f447d87010024328ccf2%40%3Ccommits.druid.apache.org%3E",[],{"url":88,"source":82,"tags":89},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr3ae6d2654f92c5851bdb73b35e96b0e4e3da39f28ac7a1b15ae3aab8%40%3Ccommits.druid.apache.org%3E",[],{"url":91,"source":82,"tags":92},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr4bf1b32983f50be00f9752214c1b53738b621be1c2b0dbd68c7f2391%40%3Ccommits.druid.apache.org%3E",[],{"url":94,"source":82,"tags":95},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr7324ecc35b8027a51cb6ed629490fcd3b2d7cf01c424746ed5744bf1%40%3Ccommits.druid.apache.org%3E",[],{"url":97,"source":82,"tags":98},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fr74d0b359408fff31f87445261f0ee13bdfcac7d66f6b8e846face321%40%3Ccommits.druid.apache.org%3E",[],{"url":100,"source":82,"tags":101},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fra15d63c54dc6474b29f72ae4324bcb03038758545b3ab800845de7a1%40%3Ccommits.druid.apache.org%3E",[],{"url":103,"source":82,"tags":104},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Frc263bfc5b53afcb7e849605478d73f5556eb0c00d1f912084e407289%40%3Ccommits.druid.apache.org%3E",[],{"url":106,"source":82,"tags":107},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Frfa094029c959da0f7c8cd7dc9c4e59d21b03457bf0cedf6c93e1bb0a%40%3Cdev.druid.apache.org%3E",[],{"url":109,"source":82,"tags":110},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Frfc5c478053ff808671aef170f3d9fc9d05cc1fab8fb64431edc66103%40%3Ccommits.druid.apache.org%3E",[],{"url":112,"source":113,"tags":114},"https:\u002F\u002Fwww.oracle.com\u002Fsecurity-alerts\u002Fcpujul2022.html","Oracle",[69],14,[117,125],{"id":118,"name":119,"description":120,"extendedDescription":121,"status":122,"abstraction":123,"structure":124},"CWE-1333","Inefficient Regular Expression Complexity","The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.","Some regular expression engines have a feature called \"backtracking\". If the token cannot match, the engine \"backtracks\" to a position that may result in a different token that can match.\n                Backtracking becomes a weakness if all of these conditions are met:","Draft","Base","Simple",{"id":126,"name":127,"description":128,"extendedDescription":129,"status":122,"abstraction":130,"structure":124},"CWE-400","Uncontrolled Resource Consumption","The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.","Limited resources include memory, file system storage, database connection pool entries, and CPU. If an attacker can trigger the allocation of these limited resources, but the number or size of the resources is not controlled, then the attacker could cause a denial of service that consumes all available resources. This would prevent valid users from accessing the product, and it could potentially have an impact on the surrounding environment. For example, a memory exhaustion attack against an application could slow down the application as well as its host operating system.\nThere are at least three distinct scenarios which can commonly lead to resource exhaustion:\nResource exhaustion problems are often result due to an incorrect implementation of the following situations:","Class",2,false,[],{"title":135,"metaDescription":136,"keywords":137,"canonicalUrl":138,"structuredData":139},"What is CVE-2021-3749? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-3749, a high severity cyber security vulnerability from 2021. axios is vulnerable to Inefficient Regular Expression Comple...","CVE-2021-3749, CVE-2021-3749 vulnerability, CVE-2021-3749 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, axios security, siemens security, oracle security, axios vulnerability, sinec_ins vulnerability, goldengate vulnerability","\u002Fwhat-is\u002Fcve-2021-3749",{"@context":140,"@type":141,"headline":135,"description":136,"datePublished":9,"dateModified":10,"author":142,"publisher":146,"about":150,"mainEntityOfPage":154,"articleSection":157,"keywords":158},"https:\u002F\u002Fschema.org","TechArticle",{"@type":143,"name":144,"url":145},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":143,"name":144,"url":145,"logo":147},{"@type":148,"url":149},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":151,"name":6,"description":152,"additionalType":153},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":155,"@id":156},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-3749","Cybersecurity","CVE-2021-3749, CVE-2021-3749 vulnerability, CVE-2021-3749 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[160,168,179],{"Operator":25,"Negate":25,"Nodes":161},[162],{"Operator":163,"Negate":25,"CPEMatch":164},"OR",[165],{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":166,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":167},"A12CFACF-6FBD-4AE9-A7BF-9D532DAA8212","0.21.1",{"Operator":25,"Negate":25,"Nodes":169},[170],{"Operator":163,"Negate":25,"CPEMatch":171},[172,174,176],{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":173,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":57,"VersionEndIncluding":25},"C89891C1-DFD7-4E1F-80A9-7485D86A15B5",{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":175,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":25},"4664B195-AF14-4834-82B3-0B2C98020EB6",{"Vulnerable":4,"Criteria":177,"MatchCriteriaID":178,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":25},"cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*","75BC588E-CDF0-404E-AD61-02093A1DF343",{"Operator":25,"Negate":25,"Nodes":180},[181],{"Operator":163,"Negate":25,"CPEMatch":182},[183],{"Vulnerable":4,"Criteria":62,"MatchCriteriaID":184,"VersionStartExcluding":25,"VersionStartIncluding":185,"VersionEndExcluding":186,"VersionEndIncluding":25},"B359C56A-5507-4CC0-975A-683A9DBBE3FC","21.1","21.7.0.0.0",[],[189,196],{"id":190,"eventType":191,"eventTime":192,"details":193,"label":194,"color":195},"ced464a6-4957-48e0-99fc-e4b85e68c994","HIGH_EPSS_DELTA","2025-11-19T04:05:57.21423+00:00","Daily EPSS score increased by 0.152 on 2023-12-30","EPSS Score Increased","red",{"id":197,"eventType":198,"eventTime":199,"details":200,"label":201,"color":202},"5c62f235-06b0-423b-bb9f-69565941a07c","LOW_EPSS_DELTA","2025-11-22T04:05:45.752691+00:00","Daily EPSS score decreased by 0.152 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":10,"cacheTime":204,"version":38},1792247121720,{"score":206,"band":207,"action":208,"scoredAt":209},48,"Medium","Plan remediation","2026-10-16T06:51:55.10527+00:00"]