[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2mrqXHrhvg7N5Cppun31lIe-WCxnWrNVRsdHrfDOv1U":3,"g5a-risk:CVE-2021-20621":142},{"success":4,"data":5,"meta":140},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":59,"references":60,"referencesCount":76,"weaknesses":77,"weaknessesCount":86,"isActivelyExploited":87,"cisaInfo":27,"otxData":27,"relatedBlogPosts":88,"seoMetadata":89,"configurations":114,"relatedVendorCves":138,"notableEvents":139},"CVE-2021-20621","What is CVE-2021-20621?","Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.","Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows rem...","2021-01-28T11:15:13.793","2021-02-01T18:22:05.78",8.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:H\u002FI:H\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":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":26,"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","REQUIRED","UNCHANGED","HIGH",null,2.8,5.9,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":35,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":35,"Authentication":23,"ConfidentialityImpact":36,"IntegrityImpact":36,"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:M\u002FAu:N\u002FC:P\u002FI:P\u002FA:P","MEDIUM","PARTIAL",6.8,8.6,6.4,0.00645,[40,40,40,40,40,40,40],"High",[44,49,53,56],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"aterm","wg2600hp_firmware","*","cpe:2.3:o:aterm:wg2600hp_firmware:*:*:*:*:*:*:*:*",{"vendor":45,"product":50,"version":51,"criteria":52,"vulnerable":4},"wg2600hp","-","cpe:2.3:h:aterm:wg2600hp:-:*:*:*:*:*:*:*",{"vendor":45,"product":54,"version":47,"criteria":55,"vulnerable":4},"wg2600hp2_firmware","cpe:2.3:o:aterm:wg2600hp2_firmware:*:*:*:*:*:*:*:*",{"vendor":45,"product":57,"version":51,"criteria":58,"vulnerable":4},"wg2600hp2","cpe:2.3:h:aterm:wg2600hp2:-:*:*:*:*:*:*:*",4,[61,66,70],{"url":62,"source":63,"tags":64},"https:\u002F\u002Fjpn.nec.com\u002Fsecurity-info\u002Fsecinfo\u002Fnv21-005.html","Nec",[65],"Third Party Advisory",{"url":67,"source":68,"tags":69},"https:\u002F\u002Fjvn.jp\u002Fen\u002Fjp\u002FJVN38248512\u002Findex.html","Jvn",[65],{"url":71,"source":72,"tags":73},"https:\u002F\u002Fwww.aterm.jp\u002Fsupport\u002Ftech\u002F2019\u002F0328.html","Aterm",[74,75],"Patch","Vendor Advisory",3,[78],{"id":79,"name":80,"description":81,"extendedDescription":82,"status":83,"abstraction":84,"structure":85},"CWE-352","Cross-Site Request Forgery (CSRF)","The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.","When a web server is designed to receive a request from a client without any mechanism for verifying that it was intentionally sent, then it might be possible for an attacker to trick a client into making an unintentional request to the web server which will be treated as an authentic request. This can be done via a URL, image load, XMLHttpRequest, etc. and can result in exposure of data or unintended code execution.","Stable","Compound","Composite",1,false,[],{"title":90,"metaDescription":91,"keywords":92,"canonicalUrl":93,"structuredData":94},"What is CVE-2021-20621? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-20621, a high severity cyber security vulnerability from 2021. Cross-site request forgery (CSRF) vulnerability in Aterm WG...","CVE-2021-20621, CVE-2021-20621 vulnerability, CVE-2021-20621 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, aterm security, wg2600hp_firmware vulnerability, wg2600hp vulnerability, wg2600hp2_firmware vulnerability, wg2600hp2 vulnerability","\u002Fwhat-is\u002Fcve-2021-20621",{"@context":95,"@type":96,"headline":90,"description":91,"datePublished":10,"dateModified":11,"author":97,"publisher":101,"about":105,"mainEntityOfPage":109,"articleSection":112,"keywords":113},"https:\u002F\u002Fschema.org","TechArticle",{"@type":98,"name":99,"url":100},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":98,"name":99,"url":100,"logo":102},{"@type":103,"url":104},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":106,"name":6,"description":107,"additionalType":108},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":110,"@id":111},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-20621","Cybersecurity","CVE-2021-20621, CVE-2021-20621 vulnerability, CVE-2021-20621 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[115,128],{"Operator":116,"Negate":27,"Nodes":117},"AND",[118,124],{"Operator":119,"Negate":27,"CPEMatch":120},"OR",[121],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":122,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":123},"28520885-3EFD-483A-9304-7C6654DAE4D1","1.0.2",{"Operator":119,"Negate":27,"CPEMatch":125},[126],{"Vulnerable":27,"Criteria":52,"MatchCriteriaID":127,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"F004958D-AEE0-4F45-BE7D-1B23012BB165",{"Operator":116,"Negate":27,"Nodes":129},[130,134],{"Operator":119,"Negate":27,"CPEMatch":131},[132],{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":133,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":123},"A025B5DB-64C5-4DF3-9C29-898E5039A642",{"Operator":119,"Negate":27,"CPEMatch":135},[136],{"Vulnerable":27,"Criteria":58,"MatchCriteriaID":137,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"261CC711-5970-41E2-89C9-A964453ABECD",[],[],{"lastModified":11,"cacheTime":141,"version":33},1792268906253,{"score":143,"band":144,"action":145,"scoredAt":146},47,"Medium","Plan remediation","2026-10-16T06:50:23.941211+00:00"]