[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fRLhODtCko4IQ_s--ugswApYxUIzXK6kFhoRNTHhDlY8":3,"g5a-risk:CVE-2016-1421":127},{"success":4,"data":5,"meta":125},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":15,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":52,"references":53,"referencesCount":72,"weaknesses":73,"weaknessesCount":82,"isActivelyExploited":83,"cisaInfo":15,"otxData":15,"relatedBlogPosts":84,"seoMetadata":85,"configurations":110,"relatedVendorCves":123,"notableEvents":124},"CVE-2016-1421","What is CVE-2016-1421?","A vulnerability in the web application for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software fails to check the bounds of input data. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.","A vulnerability in the web application for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a re...","2016-06-10T01:59:06.037","2025-04-12T10:46:40.837",7.5,"CVSS:3.0\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":29,"CVSSMetricV40":15},null,[17],{"Source":18,"Type":19,"CVSSData":20,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":21,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"TemporalSeverity":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"ModifiedAttackVector":15,"ModifiedAttackComplexity":15,"ModifiedPrivilegesRequired":15,"ModifiedUserInteraction":15,"ModifiedScope":15,"ModifiedConfidentialityImpact":15,"ModifiedIntegrityImpact":15,"ModifiedAvailabilityImpact":15,"EnvironmentalScore":15,"EnvironmentalSeverity":15},"3.0","NETWORK","LOW","NONE","UNCHANGED","HIGH",3.9,3.6,[30],{"Source":18,"Type":19,"CVSSData":31,"BaseSeverity":36,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":15,"ObtainAllPrivilege":15,"ObtainUserPrivilege":15,"ObtainOtherPrivilege":15,"UserInteractionRequired":15},{"Version":32,"VectorString":33,"AccessVector":22,"AccessComplexity":23,"Authentication":24,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":34,"BaseScore":35,"BaseSeverity":15,"Exploitability":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"CollateralDamagePotential":15,"TargetDistribution":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"EnvironmentalScore":15},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:N\u002FI:N\u002FA:P","PARTIAL",5,"MEDIUM",10,2.9,0.04117,[39,39,39,39,39,39,39],"High",[43,48],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"cisco","ip_phone","*","cpe:2.3:h:cisco:ip_phone:*:*:*:*:*:*:*:*",{"vendor":44,"product":49,"version":50,"criteria":51,"vulnerable":4},"ip_phone_8800_series_firmware","11.0\\(1\\)","cpe:2.3:o:cisco:ip_phone_8800_series_firmware:11.0\\(1\\):*:*:*:*:*:*:*",2,[54,59,62,66,68,70],{"url":55,"source":56,"tags":57},"http:\u002F\u002Ftools.cisco.com\u002Fsecurity\u002Fcenter\u002Fcontent\u002FCiscoSecurityAdvisory\u002Fcisco-sa-20160609-ipp","Cisco",[58],"Vendor Advisory",{"url":60,"source":56,"tags":61},"https:\u002F\u002Ftools.cisco.com\u002Fsecurity\u002Fcenter\u002Fcontent\u002FCiscoSecurityAdvisory\u002Fcisco-sa-20160609-ipp",[],{"url":63,"source":64,"tags":65},"https:\u002F\u002Fwww.tenable.com\u002Fsecurity\u002Fresearch\u002Ftra-2020-24","Tenable",[],{"url":55,"source":56,"tags":67},[58],{"url":60,"source":56,"tags":69},[],{"url":63,"source":64,"tags":71},[],6,[74],{"id":75,"name":76,"description":77,"extendedDescription":78,"status":79,"abstraction":80,"structure":81},"CWE-119","Improper Restriction of Operations within the Bounds of a Memory Buffer","The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.","Stable","Class","Simple",1,false,[],{"title":86,"metaDescription":87,"keywords":88,"canonicalUrl":89,"structuredData":90},"What is CVE-2016-1421? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2016-1421, a high severity cyber security vulnerability from 2016. A vulnerability in the web application for Cisco IP Phones c...","CVE-2016-1421, CVE-2016-1421 vulnerability, CVE-2016-1421 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2016, CVSS score, exploit, patch, remediation, cisco security, ip_phone vulnerability, ip_phone_8800_series_firmware vulnerability","\u002Fwhat-is\u002Fcve-2016-1421",{"@context":91,"@type":92,"headline":86,"description":87,"datePublished":10,"dateModified":11,"author":93,"publisher":97,"about":101,"mainEntityOfPage":105,"articleSection":108,"keywords":109},"https:\u002F\u002Fschema.org","TechArticle",{"@type":94,"name":95,"url":96},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":94,"name":95,"url":96,"logo":98},{"@type":99,"url":100},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":102,"name":6,"description":103,"additionalType":104},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":106,"@id":107},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2016-1421","Cybersecurity","CVE-2016-1421, CVE-2016-1421 vulnerability, CVE-2016-1421 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[111],{"Operator":112,"Negate":15,"Nodes":113},"AND",[114,119],{"Operator":115,"Negate":15,"CPEMatch":116},"OR",[117],{"Vulnerable":15,"Criteria":47,"MatchCriteriaID":118,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"5F0554B7-0160-4885-B366-ED2C15E7EAF7",{"Operator":115,"Negate":15,"CPEMatch":120},[121],{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":122,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"49CF653C-B5F5-427B-9FE9-D34D7B92AA13",[],[],{"lastModified":11,"cacheTime":126,"version":32},1792367787677,{"score":128,"band":129,"action":130,"scoredAt":131},47,"Medium","Plan remediation","2026-10-17T07:57:35.803472+00:00"]