[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fsJii1jIXlzwQawfH96ZPs0TqB64dL_xpQ-mJacfTNIw":3,"g5a-risk:CVE-2021-31826":122},{"success":4,"data":5,"meta":120},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":26,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":48,"references":49,"referencesCount":35,"weaknesses":72,"weaknessesCount":48,"isActivelyExploited":81,"cisaInfo":26,"otxData":26,"relatedBlogPosts":82,"seoMetadata":83,"configurations":108,"relatedVendorCves":118,"notableEvents":119},"CVE-2021-31826","What is CVE-2021-31826?","Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.","Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for...","2021-04-27T04:15:08.55","2023-11-07T03:35:01.153",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\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":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"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,3.9,3.6,[30],{"Source":17,"Type":18,"CVSSData":31,"BaseSeverity":36,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":23,"IntegrityImpact":23,"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:N\u002FI:N\u002FA:P","PARTIAL",5,"MEDIUM",10,2.9,0.02,[39,39,39,39,39,39,39],"High",[43],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"shibboleth","service_provider","*","cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*",1,[50,56,60,66,69],{"url":51,"source":52,"tags":53},"https:\u002F\u002Fbugs.debian.org\u002F987608","Debian",[54,55],"Mailing List","Third Party Advisory",{"url":57,"source":58,"tags":59},"https:\u002F\u002Fgit.shibboleth.net\u002Fview\u002F?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec","Shibboleth",[],{"url":61,"source":58,"tags":62},"https:\u002F\u002Fissues.shibboleth.net\u002Fjira\u002Fbrowse\u002FSSPCPP-927",[63,64,65],"Exploit","Patch","Vendor Advisory",{"url":67,"source":58,"tags":68},"https:\u002F\u002Fshibboleth.net\u002Fcommunity\u002Fadvisories\u002Fsecadv_20210426.txt",[65],{"url":70,"source":52,"tags":71},"https:\u002F\u002Fwww.debian.org\u002Fsecurity\u002F2021\u002Fdsa-4905",[55],[73],{"id":74,"name":75,"description":76,"extendedDescription":77,"status":78,"abstraction":79,"structure":80},"CWE-476","NULL Pointer Dereference","The product dereferences a pointer that it expects to be valid but is NULL.","","Stable","Base","Simple",false,[],{"title":84,"metaDescription":85,"keywords":86,"canonicalUrl":87,"structuredData":88},"What is CVE-2021-31826? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-31826, a high severity cyber security vulnerability from 2021. Shibboleth Service Provider 3.x before 3.2.2 is prone to a ...","CVE-2021-31826, CVE-2021-31826 vulnerability, CVE-2021-31826 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, shibboleth security, service_provider vulnerability","\u002Fwhat-is\u002Fcve-2021-31826",{"@context":89,"@type":90,"headline":84,"description":85,"datePublished":10,"dateModified":11,"author":91,"publisher":95,"about":99,"mainEntityOfPage":103,"articleSection":106,"keywords":107},"https:\u002F\u002Fschema.org","TechArticle",{"@type":92,"name":93,"url":94},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":92,"name":93,"url":94,"logo":96},{"@type":97,"url":98},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":100,"name":6,"description":101,"additionalType":102},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":104,"@id":105},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-31826","Cybersecurity","CVE-2021-31826, CVE-2021-31826 vulnerability, CVE-2021-31826 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[109],{"Operator":26,"Negate":26,"Nodes":110},[111],{"Operator":112,"Negate":26,"CPEMatch":113},"OR",[114],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":115,"VersionStartExcluding":26,"VersionStartIncluding":116,"VersionEndExcluding":117,"VersionEndIncluding":26},"7515117E-CEA5-47C9-BE81-0D1220C06545","3.0.0","3.2.2",[],[],{"lastModified":11,"cacheTime":121,"version":32},1792439856698,{"score":123,"band":124,"action":125,"scoredAt":126},49,"Medium","Plan remediation","2026-10-16T06:50:58.245811+00:00"]