[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fMArl-VrgvGzi5Pevz9YB0DI6E0EcGWVC548y8Yj4kWY":3,"g5a-risk:CVE-2021-25156":162},{"success":4,"data":5,"meta":160},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":57,"references":58,"referencesCount":57,"weaknesses":76,"weaknessesCount":80,"isActivelyExploited":81,"cisaInfo":27,"otxData":27,"relatedBlogPosts":82,"seoMetadata":83,"configurations":108,"relatedVendorCves":151,"notableEvents":152},"CVE-2021-25156","What is CVE-2021-25156?","A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","A remote arbitrary directory create vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4....","2021-03-30T02:15:16.47","2022-04-22T18:22:16",4.9,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:H\u002FUI:N\u002FS:U\u002FC:N\u002FI:H\u002FA:N",{"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":24,"IntegrityImpact":23,"AvailabilityImpact":24,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":24,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","HIGH","NONE","UNCHANGED","MEDIUM",null,1.2,3.6,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":26,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":22,"Authentication":35,"ConfidentialityImpact":24,"IntegrityImpact":36,"AvailabilityImpact":24,"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:L\u002FAu:S\u002FC:N\u002FI:P\u002FA:N","SINGLE","PARTIAL",4,8,2.9,0.3965,[40,40,40,40,40,40,40],"Medium",[44,49,53],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"arubanetworks","instant","*","cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*",{"vendor":50,"product":51,"version":47,"criteria":52,"vulnerable":4},"siemens","scalance_w1750d_firmware","cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*",{"vendor":50,"product":54,"version":55,"criteria":56,"vulnerable":4},"scalance_w1750d","-","cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:*",3,[59,66,71],{"url":60,"source":61,"tags":62},"http:\u002F\u002Fpacketstormsecurity.com\u002Ffiles\u002F163522\u002FAruba-Instant-IAP-Remote-Code-Execution.html","Packetstormsecurity",[63,64,65],"Exploit","Third Party Advisory","VDB Entry",{"url":67,"source":68,"tags":69},"https:\u002F\u002Fcert-portal.siemens.com\u002Fproductcert\u002Fpdf\u002Fssa-723417.pdf","Siemens",[70,64],"Patch",{"url":72,"source":73,"tags":74},"https:\u002F\u002Fwww.arubanetworks.com\u002Fassets\u002Falert\u002FARUBA-PSA-2021-007.txt","Arubanetworks",[75],"Vendor Advisory",[77],{"id":78,"name":78,"description":79},"Unknown","NVD-CWE-noinfo",1,false,[],{"title":84,"metaDescription":85,"keywords":86,"canonicalUrl":87,"structuredData":88},"What is CVE-2021-25156? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-25156, a medium severity cyber security vulnerability from 2021. High exploit probability (39.6%). A remote arbitrary dire...","CVE-2021-25156, CVE-2021-25156 vulnerability, CVE-2021-25156 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, arubanetworks security, siemens security, instant vulnerability, scalance_w1750d_firmware vulnerability, scalance_w1750d vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2021-25156",{"@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-2021-25156","Cybersecurity","CVE-2021-25156, CVE-2021-25156 vulnerability, CVE-2021-25156 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[109,138],{"Operator":27,"Negate":27,"Nodes":110},[111],{"Operator":112,"Negate":27,"CPEMatch":113},"OR",[114,118,122,126,130,134],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":115,"VersionStartExcluding":27,"VersionStartIncluding":116,"VersionEndExcluding":27,"VersionEndIncluding":117},"60DB6954-B71C-4473-A746-7D8D588360A4","6.4.0.0","6.4.4.8-4.2.4.18",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":119,"VersionStartExcluding":27,"VersionStartIncluding":120,"VersionEndExcluding":121,"VersionEndIncluding":27},"625B5BED-1E8C-434D-948B-A9C99A3A1336","6.5.0.0","6.5.4.19",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":123,"VersionStartExcluding":27,"VersionStartIncluding":124,"VersionEndExcluding":125,"VersionEndIncluding":27},"429A4826-11FA-4E69-A006-97ECBD144D0F","8.3.0.0","8.3.0.15",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":127,"VersionStartExcluding":27,"VersionStartIncluding":128,"VersionEndExcluding":129,"VersionEndIncluding":27},"76A177FA-BFBC-4E9E-AA2E-8FA49D66A06C","8.5.0.0","8.5.0.12",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":131,"VersionStartExcluding":27,"VersionStartIncluding":132,"VersionEndExcluding":133,"VersionEndIncluding":27},"7C26250B-FA0B-4DEA-A3CD-701465A89A2E","8.6.0.0","8.6.0.7",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":135,"VersionStartExcluding":27,"VersionStartIncluding":136,"VersionEndExcluding":137,"VersionEndIncluding":27},"037510F1-36AA-48A6-86F1-D015D0D7F746","8.7.1.0","8.7.1.1",{"Operator":139,"Negate":27,"Nodes":140},"AND",[141,147],{"Operator":112,"Negate":27,"CPEMatch":142},[143],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":144,"VersionStartExcluding":27,"VersionStartIncluding":145,"VersionEndExcluding":146,"VersionEndIncluding":27},"DDC134F8-5D6A-4D37-9BC7-CA0C772F8823","8.7.0","8.7.1.3",{"Operator":112,"Negate":27,"CPEMatch":148},[149],{"Vulnerable":27,"Criteria":56,"MatchCriteriaID":150,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"FBC30055-239F-4BB1-B2D1-E5E35F0D8911",[],[153],{"id":154,"eventType":155,"eventTime":156,"details":157,"label":158,"color":159},"0220318a-17e9-46af-a8a4-9684c9acbc80","HIGH_EPSS_DELTA","2025-07-01T04:06:26.511269+00:00","Daily EPSS score increased by 0.118 on 2023-12-30","EPSS Score Increased","red",{"lastModified":11,"cacheTime":161,"version":33},1792338870625,{"score":163,"band":42,"action":164,"scoredAt":165},40,"Plan remediation","2026-10-16T06:50:47.148242+00:00"]