[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fBlR2addxw1gPWllfZMK71y_W9v7gRRzWXsR3ODz_qyQ":3,"g5a-risk:CVE-2018-6789":248},{"success":4,"data":5,"meta":246},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":46,"epssPercentile":27,"epssTimeSeries":47,"severity":48,"affectedProducts":49,"affectedProductsCount":76,"references":77,"referencesCount":163,"weaknesses":164,"weaknessesCount":173,"isActivelyExploited":4,"cisaInfo":174,"otxData":27,"relatedBlogPosts":175,"seoMetadata":176,"configurations":201,"relatedVendorCves":230,"notableEvents":231},"CVE-2018-6789","What is CVE-2018-6789?","An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.","An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. T...","2018-02-08T23:29:01.17","2025-10-22T00:16:25.497",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":34,"CVSSMetricV2":35,"CVSSMetricV40":27},[16,30],{"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":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"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","UNCHANGED","HIGH","CRITICAL",null,3.9,5.9,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":28,"ImpactScore":29},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},[],[36],{"Source":17,"Type":18,"CVSSData":37,"BaseSeverity":25,"ExploitabilityScore":43,"ImpactScore":44,"ACInsufInfo":45,"ObtainAllPrivilege":45,"ObtainUserPrivilege":45,"ObtainOtherPrivilege":45,"UserInteractionRequired":45},{"Version":38,"VectorString":39,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":40,"IntegrityImpact":40,"AvailabilityImpact":40,"BaseScore":41,"BaseSeverity":42,"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:N\u002FC:P\u002FI:P\u002FA:P","PARTIAL",7.5,"",10,6.4,false,0.82137,[46,46,46,46,46,46,46],"Critical",[50,54,59,62,65,70,73],{"vendor":51,"product":51,"version":52,"criteria":53,"vulnerable":4},"exim","*","cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",{"vendor":55,"product":56,"version":57,"criteria":58,"vulnerable":4},"debian","debian_linux","7.0","cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",{"vendor":55,"product":56,"version":60,"criteria":61,"vulnerable":4},"8.0","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",{"vendor":55,"product":56,"version":63,"criteria":64,"vulnerable":4},"9.0","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",{"vendor":66,"product":67,"version":68,"criteria":69,"vulnerable":4},"canonical","ubuntu_linux","14.04","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",{"vendor":66,"product":67,"version":71,"criteria":72,"vulnerable":4},"16.04","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",{"vendor":66,"product":67,"version":74,"criteria":75,"vulnerable":4},"17.10","cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",7,[78,84,90,93,98,102,106,111,115,119,123,126,130,133,135,137,139,141,143,145,147,149,151,153,155,157,159],{"url":79,"source":80,"tags":81},"http:\u002F\u002Fopenwall.com\u002Flists\u002Foss-security\u002F2018\u002F02\u002F10\u002F2","Openwall",[82,83],"Mailing 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Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",1,{"shortDescription":42,"requiredAction":42,"vulnerabilityName":42,"dateAdded":27},[],{"title":177,"metaDescription":178,"keywords":179,"canonicalUrl":180,"structuredData":181},"What is CVE-2018-6789? Vulnerability Analysis | Security Advisory | EdgeProtect","Comprehensive analysis of CVE-2018-6789, a critical severity cyber security vulnerability from 2018. High exploit probability (82.1%). An issue was discovere...","CVE-2018-6789, CVE-2018-6789 vulnerability, CVE-2018-6789 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2018, CVSS score, exploit, patch, remediation, exim security, debian security, canonical security, exim vulnerability, debian_linux vulnerability, ubuntu_linux vulnerability, high risk vulnerability, actively exploited","\u002Fwhat-is\u002Fcve-2018-6789",{"@context":182,"@type":183,"headline":177,"description":178,"datePublished":10,"dateModified":11,"author":184,"publisher":188,"about":192,"mainEntityOfPage":196,"articleSection":199,"keywords":200},"https:\u002F\u002Fschema.org","TechArticle",{"@type":185,"name":186,"url":187},"Organization","EdgeProtect","https:\u002F\u002Fedgeprotect.io",{"@type":185,"name":186,"url":187,"logo":189},{"@type":190,"url":191},"ImageObject","https:\u002F\u002Fedgeprotect.io\u002Fimg\u002Flogos\u002Fedgeprotect-logo-512.png",{"@type":193,"name":6,"description":194,"additionalType":195},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":197,"@id":198},"WebPage","https:\u002F\u002Fedgeprotect.io\u002Fwhat-is\u002Fcve-2018-6789","Cybersecurity","CVE-2018-6789, CVE-2018-6789 vulnerability, CVE-2018-6789 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[202,210,220],{"Operator":27,"Negate":27,"Nodes":203},[204],{"Operator":205,"Negate":45,"CPEMatch":206},"OR",[207],{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":208,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":209,"VersionEndIncluding":27},"EC35DD1C-8421-443D-9EBC-73F1C7B7306E","4.90.1",{"Operator":27,"Negate":27,"Nodes":211},[212],{"Operator":205,"Negate":45,"CPEMatch":213},[214,216,218],{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":215,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"16F59A04-14CF-49E2-9973-645477EA09DA",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":217,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",{"Vulnerable":4,"Criteria":64,"MatchCriteriaID":219,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"DEECE5FC-CACF-4496-A3E7-164736409252",{"Operator":27,"Negate":27,"Nodes":221},[222],{"Operator":205,"Negate":45,"CPEMatch":223},[224,226,228],{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":225,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"815D70A8-47D3-459C-A32C-9FEACA0659D1",{"Vulnerable":4,"Criteria":72,"MatchCriteriaID":227,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6",{"Vulnerable":4,"Criteria":75,"MatchCriteriaID":229,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"9070C9D8-A14A-467F-8253-33B966C16886",[],[232,239],{"id":233,"eventType":234,"eventTime":235,"details":236,"label":237,"color":238},"2248e3ed-88a7-414b-8221-a4aba11fba22","HIGH_EPSS_DELTA","2025-06-17T10:25:23.3123+00:00","Daily EPSS score increased by 0.124 on 2023-12-30","EPSS Score Increased","red",{"id":240,"eventType":241,"eventTime":242,"details":243,"label":244,"color":245},"2d34cff5-d3d0-43ba-8a71-4270f3958fd9","LOW_EPSS_DELTA","2025-11-19T04:06:43.840255+00:00","Daily EPSS score decreased by 0.139 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":247,"version":38},1793215875560,{"score":249,"band":48,"action":250,"scoredAt":251},86,"Emergency patch","2026-10-28T06:43:22.802906+00:00"]