[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0IAMgGjrFKJ6E9TyP0PLlsMH3iBe345J6k5olJ7_dic":3,"g5a-risk:CVE-2021-40327":113},{"success":4,"data":5,"meta":111},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":64,"weaknesses":65,"weaknessesCount":48,"isActivelyExploited":74,"cisaInfo":26,"otxData":26,"relatedBlogPosts":75,"seoMetadata":76,"configurations":101,"relatedVendorCves":109,"notableEvents":110},"CVE-2021-40327","What is CVE-2021-40327?","Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.","Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based so...","2022-01-13T16:15:07.993","2022-01-25T14:35:47.253",5.9,"CVSS:3.1\u002FAV:N\u002FAC:H\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:N\u002FA:N",{"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":22,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":23,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","NETWORK","HIGH","NONE","UNCHANGED","MEDIUM",null,2.2,3.6,[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":34,"IntegrityImpact":23,"AvailabilityImpact":23,"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:H\u002FAu:N\u002FC:P\u002FI:N\u002FA:N","PARTIAL",2.6,"LOW",4.9,2.9,0.01194,[39,39,39,39,39,39,39],"Medium",[43],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"trustedfirmware","trusted_firmware-m","1.4.0","cpe:2.3:a:trustedfirmware:trusted_firmware-m:1.4.0:*:*:*:*:*:*:*",1,[50,55,61],{"url":51,"source":52,"tags":53},"https:\u002F\u002Fdeveloper.arm.com\u002Fsupport\u002Farm-security-updates","Arm",[54],"Third Party Advisory",{"url":56,"source":57,"tags":58},"https:\u002F\u002Fgit.trustedfirmware.org\u002FTF-M\u002Ftrusted-firmware-m.git\u002F","Trustedfirmware",[59,60],"Patch","Vendor Advisory",{"url":62,"source":57,"tags":63},"https:\u002F\u002Ftf-m-user-guide.trustedfirmware.org\u002Fdocs\u002Fsecurity\u002Fsecurity_advisories\u002Fprofile_small_key_id_encoding_vulnerability.html",[59,60],3,[66],{"id":67,"name":68,"description":69,"extendedDescription":70,"status":71,"abstraction":72,"structure":73},"CWE-862","Missing Authorization","The product does not perform an authorization check when an actor attempts to access a resource or perform an action.","Assuming a user with a given identity, authorization is the process of determining whether that user can access a given resource, based on the user's privileges and any permissions or other access-control specifications that apply to the resource.\nWhen access control checks are not applied, users are able to access data or perform actions that they should not be allowed to perform. This can lead to a wide range of problems, including information exposures, denial of service, and arbitrary code execution.","Incomplete","Class","Simple",false,[],{"title":77,"metaDescription":78,"keywords":79,"canonicalUrl":80,"structuredData":81},"What is CVE-2021-40327? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-40327, a medium severity cyber security vulnerability from 2022. Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is us...","CVE-2021-40327, CVE-2021-40327 vulnerability, CVE-2021-40327 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, trustedfirmware security, trusted_firmware-m vulnerability","\u002Fwhat-is\u002Fcve-2021-40327",{"@context":82,"@type":83,"headline":77,"description":78,"datePublished":10,"dateModified":11,"author":84,"publisher":88,"about":92,"mainEntityOfPage":96,"articleSection":99,"keywords":100},"https:\u002F\u002Fschema.org","TechArticle",{"@type":85,"name":86,"url":87},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":85,"name":86,"url":87,"logo":89},{"@type":90,"url":91},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":93,"name":6,"description":94,"additionalType":95},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":97,"@id":98},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-40327","Cybersecurity","CVE-2021-40327, CVE-2021-40327 vulnerability, CVE-2021-40327 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[102],{"Operator":26,"Negate":26,"Nodes":103},[104],{"Operator":105,"Negate":26,"CPEMatch":106},"OR",[107],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":108,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"FD1AEB4A-BECB-4082-AA62-A02B23D16F26",[],[],{"lastModified":11,"cacheTime":112,"version":32},1792373684067,{"score":114,"band":115,"action":116,"scoredAt":117},20,"Low","Monitor","2026-10-16T06:52:56.476362+00:00"]