[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$frJA-HopQvO-p735K3KvZ-mCW0CPinxrshFzqKphkkKc":3,"g5a-risk:CVE-2020-15679":134},{"success":4,"data":5,"meta":131},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":34,"epssPercentile":27,"epssTimeSeries":35,"severity":36,"affectedProducts":37,"affectedProductsCount":43,"references":44,"referencesCount":70,"weaknesses":71,"weaknessesCount":43,"isActivelyExploited":80,"cisaInfo":27,"otxData":27,"relatedBlogPosts":81,"seoMetadata":82,"configurations":107,"relatedVendorCves":129,"notableEvents":130},"CVE-2020-15679","What is CVE-2020-15679?","An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 \u003C (929), Mozilla VPN Windows \u003C 1.2.2, and Mozilla VPN Android 1.1.0 \u003C (1360).","An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via tha...","2022-12-22T20:15:10.73","2025-04-16T16:15:17.35",7.6,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:L\u002FI:L\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":27,"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":24,"Scope":25,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":26,"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","REQUIRED","UNCHANGED","HIGH",null,2.8,4.7,{"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":24,"Scope":25,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":26,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},0.00491,[34,34,34,34,34,34,34],"High",[38],{"vendor":39,"product":40,"version":41,"criteria":42,"vulnerable":4},"mozilla","vpn","*","cpe:2.3:a:mozilla:vpn:*:*:*:*:*:iphone_os:*:*",1,[45,51,54,57,62,64,66,68],{"url":46,"source":47,"tags":48},"https:\u002F\u002Fgithub.com\u002Fmozilla-mobile\u002Fguardian-vpn-android\u002Fcommit\u002F981c840276ef3aee98cf5d42993d484ee99b28d9","GitHub",[49,50],"Patch","Third Party Advisory",{"url":52,"source":47,"tags":53},"https:\u002F\u002Fgithub.com\u002Fmozilla-mobile\u002Fguardian-vpn-ios\u002Fcommit\u002F4309f5c9bd2c15cdfd39ac173665fad3f2598b54",[49,50],{"url":55,"source":47,"tags":56},"https:\u002F\u002Fgithub.com\u002Fmozilla-services\u002Fguardian-vpn-windows\u002Fcommit\u002Fac6f562973a83f6758cd7ab7aa313e863047d41b",[49,50],{"url":58,"source":59,"tags":60},"https:\u002F\u002Fwww.mozilla.org\u002Fsecurity\u002Fadvisories\u002Fmfsa2020-48\u002F","Mozilla",[61],"Vendor Advisory",{"url":46,"source":47,"tags":63},[49,50],{"url":52,"source":47,"tags":65},[49,50],{"url":55,"source":47,"tags":67},[49,50],{"url":58,"source":59,"tags":69},[61],8,[72],{"id":73,"name":74,"description":75,"extendedDescription":76,"status":77,"abstraction":78,"structure":79},"CWE-384","Session Fixation","Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.","Such a scenario is commonly observed when:\nIn the generic exploit of session fixation vulnerabilities, an attacker creates a new session on a web application and records the associated session identifier. The attacker then causes the victim to associate, and possibly authenticate, against the server using that session identifier, giving the attacker access to the user's account through the active session.","Incomplete","Compound","Composite",false,[],{"title":83,"metaDescription":84,"keywords":85,"canonicalUrl":86,"structuredData":87},"What is CVE-2020-15679? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2020-15679, a high severity cyber security vulnerability from 2022. An OAuth session fixation vulnerability existed in the VPN ...","CVE-2020-15679, CVE-2020-15679 vulnerability, CVE-2020-15679 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, mozilla security, vpn vulnerability","\u002Fwhat-is\u002Fcve-2020-15679",{"@context":88,"@type":89,"headline":83,"description":84,"datePublished":10,"dateModified":11,"author":90,"publisher":94,"about":98,"mainEntityOfPage":102,"articleSection":105,"keywords":106},"https:\u002F\u002Fschema.org","TechArticle",{"@type":91,"name":92,"url":93},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":91,"name":92,"url":93,"logo":95},{"@type":96,"url":97},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":99,"name":6,"description":100,"additionalType":101},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":103,"@id":104},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-15679","Cybersecurity","CVE-2020-15679, CVE-2020-15679 vulnerability, CVE-2020-15679 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[108],{"Operator":27,"Negate":27,"Nodes":109},[110],{"Operator":111,"Negate":27,"CPEMatch":112},"OR",[113,116,120,124],{"Vulnerable":4,"Criteria":42,"MatchCriteriaID":114,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":115,"VersionEndIncluding":27},"BCE5840F-B8E4-4B91-AF81-123C0E5DC0D7","1.0.7_\\(929\\)",{"Vulnerable":4,"Criteria":117,"MatchCriteriaID":118,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":119,"VersionEndIncluding":27},"cpe:2.3:a:mozilla:vpn:*:*:*:*:*:windows:*:*","4923D7EA-8A4F-485F-ADB0-C56BBDC420EA","1.2.2",{"Vulnerable":4,"Criteria":121,"MatchCriteriaID":122,"VersionStartExcluding":27,"VersionStartIncluding":123,"VersionEndExcluding":115,"VersionEndIncluding":27},"cpe:2.3:a:mozilla:vpn:*:*:*:*:*:ipados:*:*","CE3CB7D7-49C2-4516-8110-6E5B4FCB450B","1.0.7",{"Vulnerable":4,"Criteria":125,"MatchCriteriaID":126,"VersionStartExcluding":27,"VersionStartIncluding":127,"VersionEndExcluding":128,"VersionEndIncluding":27},"cpe:2.3:a:mozilla:vpn:*:*:*:*:*:android:*:*","3A2E0580-85D3-4DA0-A6D6-F56B9E60A432","1.1.0","1.1.0_\\(1360\\)",[],[],{"lastModified":11,"cacheTime":132,"version":133},1792353315534,"2.0",{"score":135,"band":136,"action":137,"scoredAt":138},47,"Medium","Plan remediation","2026-10-16T06:56:38.348582+00:00"]