[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fAgWvKCnTMKTVn6OqVOGQQsKH0tEKqvh_oiDAcpxarNc":3,"g5a-risk:CVE-2021-45756":143},{"success":4,"data":5,"meta":141},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":38,"epssPercentile":26,"epssTimeSeries":39,"severity":40,"affectedProducts":41,"affectedProductsCount":57,"references":58,"referencesCount":76,"weaknesses":77,"weaknessesCount":86,"isActivelyExploited":87,"cisaInfo":26,"otxData":26,"relatedBlogPosts":88,"seoMetadata":89,"configurations":114,"relatedVendorCves":139,"notableEvents":140},"CVE-2021-45756","What is CVE-2021-45756?","Asus RT-AC68U \u003C3.0.0.4.385.20633 and RT-AC5300 \u003C3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","2022-03-23T11:15:08.087","2024-02-14T01:17:43.863",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":26,"CVSSMetricV2":29,"CVSSMetricV40":26},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":24,"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","CRITICAL",null,3.9,5.9,[30],{"Source":16,"Type":17,"CVSSData":31,"BaseSeverity":24,"ExploitabilityScore":36,"ImpactScore":37,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":20,"AccessComplexity":21,"Authentication":22,"ConfidentialityImpact":34,"IntegrityImpact":34,"AvailabilityImpact":34,"BaseScore":35,"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:N\u002FC:P\u002FI:P\u002FA:P","PARTIAL",7.5,10,6.4,0.01243,[38,38,38,38,38,38,38],"Critical",[42,47,51,54],{"vendor":43,"product":44,"version":45,"criteria":46,"vulnerable":4},"asus","rt-ac68u_firmware","*","cpe:2.3:o:asus:rt-ac68u_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":48,"version":49,"criteria":50,"vulnerable":4},"rt-ac68u","-","cpe:2.3:h:asus:rt-ac68u:-:*:*:*:*:*:*:*",{"vendor":43,"product":52,"version":45,"criteria":53,"vulnerable":4},"rt-ac5300_firmware","cpe:2.3:o:asus:rt-ac5300_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":55,"version":49,"criteria":56,"vulnerable":4},"rt-ac5300","cpe:2.3:h:asus:rt-ac5300:-:*:*:*:*:*:*:*",4,[59,64,70],{"url":60,"source":61,"tags":62},"http:\u002F\u002Fasus.com","Asus",[63],"Vendor Advisory",{"url":65,"source":66,"tags":67},"http:\u002F\u002Frt-ac68u.com","Rt-ac68u",[68,69],"Broken Link","URL Repurposed",{"url":71,"source":72,"tags":73},"https:\u002F\u002Fgithub.com\u002FIBUILI\u002FAsus","GitHub",[74,75],"Exploit","Third Party Advisory",3,[78],{"id":79,"name":80,"description":81,"extendedDescription":82,"status":83,"abstraction":84,"structure":85},"CWE-120","Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",1,false,[],{"title":90,"metaDescription":91,"keywords":92,"canonicalUrl":93,"structuredData":94},"What is CVE-2021-45756? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-45756, a critical severity cyber security vulnerability from 2022. 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